战略合作-话题@MedSci

#战略合作#

92篇内容 | 1212人围观

关注话题

话题活跃用户

#插入话题

插入图片

最新最热

[GetTopicListResponse(id=1478291, encodeId=a55414e829195, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=君实生物与中山大学肿瘤防治中心签署战略合作协议, objectType=article, longId=737114, objectId=76f2e371147e, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=76f2e371147e, replyNumber=0, likeNumber=53, createdTime=2022-08-28, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=76f2e371147e, moduleTitle=君实生物与中山大学肿瘤防治中心签署战略合作协议, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=76f2e371147e)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478290, encodeId=84c314e829040, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=斯微生物与中国科学院武汉病毒研究所达成战略合作, objectType=article, longId=736590, objectId=0a5be3659051, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=0a5be3659051, replyNumber=0, likeNumber=30, createdTime=2022-08-24, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=0a5be3659051, moduleTitle=斯微生物与中国科学院武汉病毒研究所达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=0a5be3659051)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478289, encodeId=56c914e828954, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=国药控股与梅斯医学战略合作，共创数字医学未来, objectType=article, longId=736295, objectId=bf48e3629526, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=bf48e3629526, replyNumber=0, likeNumber=45, createdTime=2022-08-21, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=bf48e3629526, moduleTitle=国药控股与梅斯医学战略合作，共创数字医学未来, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=bf48e3629526)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478288, encodeId=bca214e8288a9, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=赛诺菲 & 梅斯医学数字化战略合作，开启数字化营销新篇章, objectType=article, longId=728422, objectId=021be2842238, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=021be2842238, replyNumber=0, likeNumber=39, createdTime=2022-06-02, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=021be2842238, moduleTitle=赛诺菲 & 梅斯医学数字化战略合作，开启数字化营销新篇章, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=021be2842238)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478287, encodeId=ae1014e8287ce, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=数字化赋能眼科智能医疗光朗视景与梅斯医学达成战略合作, objectType=article, longId=724724, objectId=d974e247242c, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=d974e247242c, replyNumber=0, likeNumber=33, createdTime=2022-01-08, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=d974e247242c, moduleTitle=数字化赋能眼科智能医疗光朗视景与梅斯医学达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=d974e247242c)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478286, encodeId=7d0414e8286ef, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=泛因医学与康圣环球（09960.HK）在血液肿瘤检测业务领域达成战略合作, objectType=article, longId=220830, objectId=6153220830b8, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=6153220830b8, replyNumber=0, likeNumber=38, createdTime=2021-11-24, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=6153220830b8, moduleTitle=泛因医学与康圣环球（09960.HK）在血液肿瘤检测业务领域达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=6153220830b8)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478285, encodeId=8ec914e82859d, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=梅斯医学与西安杨森爱可泰隆签署战略合作，共同推动罕见病领域认知与诊疗水平, objectType=article, longId=220573, objectId=60602205e3e4, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=60602205e3e4, replyNumber=0, likeNumber=37, createdTime=2021-11-20, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=60602205e3e4, moduleTitle=梅斯医学与西安杨森爱可泰隆签署战略合作，共同推动罕见病领域认知与诊疗水平, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=60602205e3e4)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478283, encodeId=779b14e828324, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=进博数字赋能升级，梅斯医学与天臣医疗签订战略合作, objectType=article, longId=219954, objectId=b9f721995419, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=b9f721995419, replyNumber=0, likeNumber=44, createdTime=2021-11-09, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=b9f721995419, moduleTitle=进博数字赋能升级，梅斯医学与天臣医疗签订战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=b9f721995419)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478281, encodeId=27b014e8281ee, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=信达生物(01801)与UNION达成战略合作引进用于治疗炎症性皮肤病的下一代PDE4抑制剂, objectType=article, longId=217823, objectId=dc8421e823de, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=dc8421e823de, replyNumber=0, likeNumber=39, createdTime=2021-09-30, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=dc8421e823de, moduleTitle=信达生物(01801)与UNION达成战略合作引进用于治疗炎症性皮肤病的下一代PDE4抑制剂, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=dc8421e823de)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478280, encodeId=012514e8280c0, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=梅斯医学与博生吉医药科技达成战略合作，共同推动中国细胞治疗技术的发展, objectType=article, longId=217171, objectId=d54a21e1711a, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=d54a21e1711a, replyNumber=0, likeNumber=35, createdTime=2021-09-17, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=d54a21e1711a, moduleTitle=梅斯医学与博生吉医药科技达成战略合作，共同推动中国细胞治疗技术的发展, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=d54a21e1711a)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478279, encodeId=7b3714e827941, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=IQVIA艾昆纬和百度健康在罕见病领域达成战略合作构建以患者为中心的数字化解决方案--正本清源缩短患者旅程, objectType=article, longId=216987, objectId=6dac21698edc, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=6dac21698edc, replyNumber=0, likeNumber=41, createdTime=2021-09-13, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=6dac21698edc, moduleTitle=IQVIA艾昆纬和百度健康在罕见病领域达成战略合作构建以患者为中心的数字化解决方案--正本清源缩短患者旅程, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=6dac21698edc)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478278, encodeId=f27314e827815, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=信达生物与劲方医药关于GFH925（KRAS G12C抑制剂）达成全球战略合作, objectType=article, longId=216609, objectId=cb44216609d0, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=cb44216609d0, replyNumber=0, likeNumber=36, createdTime=2021-09-04, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=cb44216609d0, moduleTitle=信达生物与劲方医药关于GFH925（KRAS G12C抑制剂）达成全球战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=cb44216609d0)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478277, encodeId=cb1214e8277b2, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=万春布林和恒瑞医药就普那布林在大中华区的商业化、临床开发及股权投资达成战略合作, objectType=article, longId=216366, objectId=36882163668a, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=36882163668a, replyNumber=0, likeNumber=32, createdTime=2021-08-28, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=36882163668a, moduleTitle=万春布林和恒瑞医药就普那布林在大中华区的商业化、临床开发及股权投资达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=36882163668a)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478282, encodeId=d8d514e828285, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=碧迪医疗与爱康集团签署战略合作协议，助力免疫力评估发挥健康管理价值, objectType=article, longId=214317, objectId=68ae21431eaa, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=68ae21431eaa, replyNumber=0, likeNumber=21, createdTime=2021-07-18, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=68ae21431eaa, moduleTitle=碧迪医疗与爱康集团签署战略合作协议，助力免疫力评估发挥健康管理价值, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=68ae21431eaa)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478275, encodeId=ca9e14e8275d9, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=卫材与百时美施贵宝在ADC药物达成或高达30亿美元战略合作协议, objectType=article, longId=212888, objectId=cecd21288851, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=cecd21288851, replyNumber=0, likeNumber=50, createdTime=2021-06-20, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=cecd21288851, moduleTitle=卫材与百时美施贵宝在ADC药物达成或高达30亿美元战略合作协议, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=cecd21288851)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478276, encodeId=7cb214e82766f, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=助力健康中国，服务患者，构建医药新生态：瀚晖制药与上药控股优势叠加，达成战略合作, objectType=article, longId=211810, objectId=c8ab211810e4, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=c8ab211810e4, replyNumber=0, likeNumber=25, createdTime=2021-05-27, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=c8ab211810e4, moduleTitle=助力健康中国，服务患者，构建医药新生态：瀚晖制药与上药控股优势叠加，达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=c8ab211810e4)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478274, encodeId=ba6d14e827487, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=梅斯医学与浪潮健康达成战略合作, objectType=article, longId=210391, objectId=66a3210391d4, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=66a3210391d4, replyNumber=0, likeNumber=47, createdTime=2021-04-25, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=66a3210391d4, moduleTitle=梅斯医学与浪潮健康达成战略合作, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=66a3210391d4)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478284, encodeId=0ed314e82846b, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=以患者为中心｜吉利德科学与金域医学深化战略合作，助力提升公众健康水平, objectType=article, longId=210068, objectId=5e1221006846, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=5e1221006846, replyNumber=0, likeNumber=39, createdTime=2021-04-18, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=5e1221006846, moduleTitle=以患者为中心｜吉利德科学与金域医学深化战略合作，助力提升公众健康水平, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=5e1221006846)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478273, encodeId=abe514e82739a, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=梅斯医学与西点药业就瑞香素胶囊多学科治疗方案学术推广达成战略合作！, objectType=article, longId=209938, objectId=a132209938d9, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=a132209938d9, replyNumber=0, likeNumber=47, createdTime=2021-04-15, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=a132209938d9, moduleTitle=梅斯医学与西点药业就瑞香素胶囊多学科治疗方案学术推广达成战略合作！, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=a132209938d9)], followStatus=false, userIsMember=false, type=1, lengthMark=0), GetTopicListResponse(id=1478272, encodeId=df2b14e827254, content=<a href='/topic/show?id=5e295415950' target=_blank style='color:#2F92EE;'>#战略合作#</a>, objectTitle=默克与广药集团达成战略合作，推动大湾区业务创新发展, objectType=article, longId=207775, objectId=a45620e775a9, topicUrl=null, isHasObj=0, objectCover=null, objectUrl=/article/show_article.do?id=a45620e775a9, replyNumber=0, likeNumber=38, createdTime=2021-03-02, rootId=0, userName=ms8435843352634314, userId=ba6c7422782, projectId=1, avatar=, status=1, hasArticle=1, attachment=null, ipAttribution=, moduleDTOList=[ModuleDTO(moduleId=a45620e775a9, moduleTitle=默克与广药集团达成战略合作，推动大湾区业务创新发展, moduleType=article, hrefUrl=https://www.medsci.cn/article/show_article.do?id=a45620e775a9)], followStatus=false, userIsMember=false, type=1, lengthMark=0)] 梅斯话题小助手

战略合作

2020-05-29

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

君实生物与中山大学肿瘤防治中心签署战略合作协议

2022-08-28

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

斯微生物与中国科学院武汉病毒研究所达成战略合作

2022-08-24

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

国药控股与梅斯医学战略合作，共创数字医学未来

2022-08-21

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

赛诺菲 & 梅斯医学数字化战略合作，开启数字化营销新篇章

2022-06-02

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

数字化赋能眼科智能医疗光朗视景与梅斯医学达成战略合作

2022-01-08

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

泛因医学与康圣环球（09960.HK）在血液肿瘤检测业务领域达成战略合作

2021-11-24

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

梅斯医学与西安杨森爱可泰隆签署战略合作，共同推动罕见病领域认知与诊疗水平

2021-11-20

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

进博数字赋能升级，梅斯医学与天臣医疗签订战略合作

2021-11-09

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

信达生物(01801)与UNION达成战略合作引进用于治疗炎症性皮肤病的下一代PDE4抑制剂

2021-09-30

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

梅斯医学与博生吉医药科技达成战略合作，共同推动中国细胞治疗技术的发展

2021-09-17

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

IQVIA艾昆纬和百度健康在罕见病领域达成战略合作构建以患者为中心的数字化解决方案--正本清源缩短患者旅程

2021-09-13

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

信达生物与劲方医药关于GFH925（KRAS G12C抑制剂）达成全球战略合作

2021-09-04

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

万春布林和恒瑞医药就普那布林在大中华区的商业化、临床开发及股权投资达成战略合作

2021-08-28

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

碧迪医疗与爱康集团签署战略合作协议，助力免疫力评估发挥健康管理价值

2021-07-18

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

卫材与百时美施贵宝在ADC药物达成或高达30亿美元战略合作协议

2021-06-20

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

助力健康中国，服务患者，构建医药新生态：瀚晖制药与上药控股优势叠加，达成战略合作

2021-05-27

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

梅斯医学与浪潮健康达成战略合作

2021-04-25

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

以患者为中心｜吉利德科学与金域医学深化战略合作，助力提升公众健康水平

2021-04-18

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

梅斯医学与西点药业就瑞香素胶囊多学科治疗方案学术推广达成战略合作！

2021-04-15

ms8435843352634314 (审核中...)

前往app查看评论内容

#战略合作#

默克与广药集团达成战略合作，推动大湾区业务创新发展

2021-03-02

科室
- - 订阅+
  - 更多科室
工具
服务