与前一组测试操作符一样，比较测试操作符是执行错误检查或根据另一个值测试值的简便方法。

Like the previous set of test operators, comparison test operators are a handy way to perform error checking or to test values against another value.

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在任何流程模型或表格在质量体系项目中采用前，应该仔细检查其对于特定的器械和生产操作适用性和适应性。

Before any model procedure or form is adopted into a quality system program, the applicability and suitability to a particular device and manufacturing operation should be carefully examined.

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每天的压顶操作中，在进行抗压试验前，应对至少三个试样上压板的平面度进行检查，这些试样是随机抽取的，分别代表操作开始、中间和结束时所用的试样。

During each day's capping operation, check the planeness of the caps prior to compression testing on at least three specimens, selected at random, representing the start, middle, and end of the run.

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