名词
中文翻译：马赫单位
同义词：
['megahertz', 'megacycles例句：1. The Mach unit is a unit of measurement used to describe the speed of light in a vacuum.（马赫单位是一种用于描述光速在真空中速度的测量单位。）2. In physics', 'the Mach unit is often used to measure the speed of sound.（在物理学中，马赫单位常被用来测量声速的速度。）3. The Mach unit is also used in radar technology to measure the range of an object.（马赫单位也用于雷达技术中，用来测量物体的距离。）']
例句：
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1. The Mach unit is a unit of measurement used to describe the speed of light in a vacuum.
马赫单位是一种用于描述光速在真空中速度的测量单位。
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2. In physics, the Mach unit is often used to measure the speed of sound.
在物理学中，马赫单位常被用来测量声速的速度。
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3. The Mach unit is also used in radar technology to measure the range of an object.
马赫单位也用于雷达技术中，用来测量物体的距离。