Most users login simultaneously without unified management or unified authorization authentication, and generally they can search by the keywords only in the Information management Systems.
而在现有的信息管理系统中，大多都是用户进行多点登录，没有统一管理、统一授权认证，并且完成的查询功能一般是基于关键字的查找。
Most users login simultaneously without unified management or unified authorization authentication, and generally they can search by the keywords only in the Information management Systems.
而在现有的信息管理系统中，大多都是用户进行多点登录，没有统一管理、统一授权认证，并且完成的查询功能一般是基于关键字的查找。
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