It is economically important to extend the operation term, the service life and enhance the operation reliability of a large-scale apparatus.

延长大型成套装置的运行周期和服役寿命，提高其运行可靠性，对增加装置的经济效益意义十分重大。

youdao

The craft process model of the device was constructed with ASPEN PLUS system, make sure boundary operation term and proceed hand orthogonal design.

应用ASPEN PLUS过程模拟系统构造该装置的工艺流程模型，以确定边界操作条件，进行正交试验设计。

youdao

The operation term is divided into inner and exterior, and is stored with the frame format. The efficiency and applicability is improved by doing these.

将操作术语分化为内部术语和外部术语，并以框架的形式存储，有效提高了系统的开发效率及软件的通用性；

youdao

"This was a long-term operation to steal intelligence and information that went under the radar, " he said.

BBC: How the New York Times cleaned house after its hack attack

Clearly the Kenyan government could not sit back and do nothing after the kidnappings but Kenyans hope this is a very short-term operation lasting maybe just a few days.

BBC: Kenya's incursion into Somalia raises the stakes

The defence ministry says that to sustain a long-term operation, with a proper rotation system, it ideally likes to have at its disposal three or four ships or aircraft, and up to five army units, for every one deployed at any given time.

ECONOMIST: The army