名词
中文翻译：微米
同义词：
['nanometer', 'millimeter']
例句：
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1. The micron-sized particles are too small tobe seen with the naked eye.
这些微米大小的颗粒太小，肉眼无法看见。
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2.The micron-thick layer ofdust on the window is causing a lotof problems.
窗户上那层微米厚的灰尘造成了很多问题。
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3. Themicron-scale technologyhas made significant progress in recentyears.
近年来，纳米技术取得了显著的进步。