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tachymeter

美[tæ'kɪmɪtə],英[tæ'kɪmɪtə],

释义

n. 【测】(供快速测定距离、方位和高度等的)视距仪,速测仪; 网络释义: 测速计;速度计;准距仪;

例句

A tachymeter is an instrument for measuring speed.
The corresponding point on the tachymeter scale indicates 120.

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