As you design your system, consider how it should be tested.
在你设计你的系统时，考虑到它将如何被测试。
As a product, before the servo valve leaves factory, it should be tested strictly.
电液伺服阀作为产品，在出厂前须进行严格测试。
I just had my eyes tested last week, so it should be precise.
我上周刚刚做了视力检查，所以这应该是准确的度数。
It is required that the instrument should be tested before it is actually used.
这个工具被要求在正式投入使用之前必须要进行测试。
It is required that the instrument should be tested before it is actually used.
这个工具被要求在正式投入使用之前必须要进行测试。
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