该单位是一个问题仅部分是电气呼呼，我在单元测试阶段的见证。
The only part of the unit that is an issue is the electrical whirring that I witnessed during the test phase of the unit.
测试的度量单位。例如，单元测试覆盖率是开发团队的一个测试指标。
A unit of measure for the testing. For example, unit test coverage is a test metric for the development team.
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