Opisometer

An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.

A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured and run along its length. By counting the number of teeth passing a mark on the handle while this is done, the length of the line can be ascertained:

单词	chartometer
释义	chartometer /kɑ:'tɔmitə/ 英汉-汉英词典 n. 在地图上测量距离的仪器词组 \| 习惯用语您要查找的是不是： chronometer n. 精密计时器;航行表 charioteer n. 战车的驾驭者；御夫座 tachometer n. 转速计 charterer n. 租船人 chartometer n. 量距器；测距仪网络短语: chartometer ĥ 测图器英语百科 Opisometer An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines. A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured and run along its length. By counting the number of teeth passing a mark on the handle while this is done, the length of the line can be ascertained:
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chartometer /kɑ:'tɔmitə/

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网络短语:

Opisometer