从接口创建模拟对象的过程简单易行，并能帮助我们开发有效的单元测试套件。

The process for building mock objects from interfaces is simple, straightforward, and helps me develop effective unit test suites.

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不一定要按照过程接口的契约，只是要求代码都有单元测试。

Not according to the contract of the process interface. That only requires that code be accompanied by tests.

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它是在环网上增加计算机接口单元，通过接口机、光纤和数据交换机将生产过程的实时数据引入历史数据平台。

Computer interface Unit is added to I NFI net and the real-time data of manufacture process are retrieved to the historical data platform through interface PCs, fibers and switches.

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