名词
中文翻译：双分划
同义词：
['double scale', 'double graduation']
例句：
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1.The double vernier is used to measure the thickness of a material.
双分划用于测量材料的厚度。
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2. The double vernier was developed by the Swiss engineer Ernst Ruska in the early 20th century.
双分划是由瑞士工程师恩斯特·鲁卡斯在20世纪初开发的。
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3. The double vernier system is widely used in precision engineering and manufacturing.
双分划系统在精密工程和制造中被广泛使用。