名词
中文翻译：参考块
同义词：
['reference plate', 'reference slab', 'reference template']
例句：
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1. The engineer used a reference block to measure the length of the beam.
工程师使用一个参考块来测量梁的长度。
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2.The scientist used a reference block to compare the results with those from previous experiments.
科学家使用一个参考块来与之前的实验结果进行比较。
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3. The engineer used a reference block to ensure that the measurements were accurate.
工程师使用一个参考块来确保测量的准确性。