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Micrometer
01
微米计, 千分尺
a precise handheld measuring tool typically used to measure very small distances between 0 and 25 mm
Example
The scientists used a micrometer to measure the diameter of individual cells under the microscope.
科学家们使用微米计来测量显微镜下单个细胞的直径。
The machinist carefully measured the width of each engine part with a digital micrometer to ensure it met specifications.
机械师小心翼翼地用数字千分尺测量每个发动机部分的宽度，以确保它符合规格。
02
微米, 微米计
a unit of length in the metric system equal to one millionth of a meter
Example
The conductive nanotubes were only a few micrometers in diameter and needed to be viewed under an electron microscope.
这些导电纳米管的直径只有几个微米，必须在电子显微镜下观察。
Bacteria and other microorganisms range in size from 1-10 micrometers, making them too small to be seen with the naked eye.
细菌和其他微生物的大小范围从1到10微米，使它们小到肉眼无法看到。
