An extension of this principle is the fact that testing that has been performed on a function that has not changed may still be considered valid.

此原则的一个扩展是这样一个事实，对一个没有变更的功能执行的测试可能仍旧认为是有效的。

youdao

You don't want to upload the extension and start testing, because it will be publicly visible right away.

你不应该先上传扩展，然后才开始测试，因为它马上会被大家所发现。

youdao

The idea of using of model programs and state space exploration is a natural extension of finite state machine based techniques that fits well with black-box testing of software.

使用模型编程与状态间隔探测的思想对于以软件黑盒测试技术为基础的有限状态机是一种自然的扩充。

youdao

"In recent years, the development of rapid, diagnostic tests for malaria, also known as RDTs, which can be performed by healthcare workers after a brief training has made the extension of diagnostic testing to rural health facilities possible."

VOA: standard.2010.03.09

Mr Yeare said the results of a Department of Social Care review into the extension of means testing in social policy would also need to be considered.

BBC: Minister says benefits and staff costs must be resolved