名词
中文翻译：物理记录长度
同义词：
['physical length', 'physical size', 'physical dimension']
例句：
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1. The length of the tunnel is 200 meters.
隧道的长度是200米。
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2. The physical size of the planet is determined by its distance from the sun.
行星的物理大小由它离太阳的距离决定。
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3. The physical dimension of the building is 50 meters wide and 100 meters high.
这栋建筑的物理尺寸为宽50米，高100米。