针对传统的三大索引收录论文查证方式被动、实时性差以及效率低的现状，提出建立三大索引收录文献邮件推送服务系统。
Aiming at the status of passive check mode, poor real-time and low efficiency in the traditional methods of papers indexed by three famous indexes, the E-mail pushing service system is established.
很可能Google首先推出日历和通讯录同步功能是为了测试服务框架，为邮件推送做准备。
Chances are that Google is testing its infrastructure by only supporting ActiveSync for calendars and contacts first, and that it will release support for push email in the near future.
Apple称这项服务可以在几个设备上即时“推送”电子邮件、日程表和联系人，也就是说一有相关更新，服务就会马上推送。
Apple was saying the service offered "push" E-mail, calendar and contacts, meaning that changes were propagated instantly among devices.
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