This process is also known as functional testing, opaque box testing and closed box testing, and is often completed by someone other than the developer.

这个过程也被称作性能测试、非透明盒测试或闭盒测试，完成该测试过程的通常不是开发人员。

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A practical closed-type test rig is here described for testing the tractor gear transmission, A new arrangement was developed to improve the structure of the loading gear box with odd number gears.

本文介绍了一种由浙江农业大学提出的拖拉机齿轮传动系统闭式试验台的新布置方案，这种布置方式解决了奇数齿轮加载齿轮箱结构上的困难。

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