名词中文翻译
中文翻译：标准
同义词：
['norm', 'normative', 'standardized例句：1. The standard for measuring the length of a ruler is 20 cm.（测量尺的标准长度是20厘米。）']
例句：
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1. The standard for measuring the length of a ruler is 20 cm.
测量尺的标准长度是20厘米。
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2.The company has adopted a new standard for product quality.
该公司已采用新的产品质量标准。
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3.The standard deviation is used to measure the amount of variation in a dataset.
标准差用于衡量数据集中的变异程度。