名词
中文翻译：第一类仪器
同义词：
['primaryinstrument', 'primary device']
例句：
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1. The first-order instrument is usedto measure the temperature of a liquid.
第一类仪器用于测量液体的温度。
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2. The first-order instrument was designed to simplify theprocess of data analysis.
第一类仪器被设计来简化数据分析的过程。
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3. Thefirst-order instrument hasbeen proven to be highly accuratein its measurements.
第一类仪器在测量中已被证明具有高度的准确性。