DC parameters test is an important method of IC test. It is one of the key means to ensure the performances and qualities of IC.

直流参数测试是集成电路测试的一种重要方法，是保证集成电路性能、质量的关键手段之一。

youdao

Some key techniques of designing and operating a DC fault dictionary automatic generation system was introduced.

介绍了直流故障字典自动生成系统的设计及其使用的关键技术。

youdao

Corona effect is one of the key issues of designing UHV transmission lines, in which the influence of temperature and humidity on DC conductor corona should be considered.

电晕效应是特高压输电线路设计中所考虑的关键题目之一，温度、湿度对直流导线电晕影响规律是特高压直流输电线路设计的依据。

youdao

Key sites in Washington DC and New York have also seen security tightened.

BBC: Boston bombs: FBI probes deadly marathon 'terror' blasts

It was an honor to stand with President Obama earlier today by the Francis Scott Key Bridge between Washington, DC, and Virginia.

WHITEHOUSE: Share This Post

The best known extended-stay apartment hotel is AKA, which has nine locations in key markets throughout the US, including Philadelphia, Washington DC, Virginia and four in New York.

BBC: Apartment stays get hotel style