英语语法分析

The original test theory for the communication protocol test models the implementation under test (IUT) as a black box.

原有通信协议测试理论将被测实现作为黑盒，使得大量可增强控制观察能力的手段无法利用。

Controllability is the capability of the test system to force the Implementation Under test (IUT) to receive inputs in a given order.

可控性是指测试系统控制被测实现(IUT)按照一定顺序接收输入的能力。

Observability is the capability of the test system to observe the output of the IUT and to determine which input triggers the particular output.

可观察性是指测试系统观察iut的输出、判断输入与输出对应关系的能力。