By studying some boring machining families, standard time datum for unit operation was set up. Some methods of shortening operation changing time were also presented.
通过对钻孔加工族的时间研究，初步建立不同工步单件加工时间的标准资料，并探讨节省作业转换时间的方法。
It has some advantages, such as simple structure, easy operation, small work power and short time of cutter changing.
该装置具有结构简单、操作容易且省力等优点，可明显缩短换刀片所需时间。
The characteristic property of a transient operation is that something is changing with time.
非稳态操作的本质特征就是某变量是时间的函数。
However, the topology is static, and the operation of time synchronization will be limited and influenced by the changing network environment.
这种网络拓扑是静态的，时间同步操作必然会受到网络环境变化的制约和影响。
It realizes the mutual changing in graphic element and database, in the same time, the platform of power system software operation is established.
实现了图元与数据库的同步联系，为实现电网软件的同平台操作打下基础。
It realizes the mutual changing in graphic element and database, in the same time, the platform of power system software operation is established.
实现了图元与数据库的同步联系，为实现电网软件的同平台操作打下基础。
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