CBDs的音标

In CBDS, community and transaction are defined, and it takes community as the virtual space of the user, transaction as the simple cooperation and document sharing as cooperation.

在CBDS中，本文首先定义了社区和事务的概念，提出将社区作为用户们的协作虚拟空间，以事务体现简单而松散的协作模式，文档共享作为协同的方式。

CBDS has three kind of document sharing mode according to cooperation among the users, which are inner-transaction sharing, between-transaction sharing and role sharing.

根据用户之间的协作关系，提出事务内，事务间，角色三种文档共享方式。

With the persistent increase in the economy, several large-scale or mid-scale cities have commenced building their own CBDs.

随着经济的持续快速增长，近年来我国一些大中城市纷纷着手建设自己的CBD。