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1. The crystal checker was used to ensure the accuracy of the measurements.
使用水晶检查器来确保测量的准确性。
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2. The engineer used a crystal checker to inspect the quality of the metal parts.
工程师使用水晶检查器来检查金属部件的质量。
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3. The crystal checker detected anomalies in the data that were not present in the original data.
水晶检查器检测到了原始数据中不存在的异常数据。