名词
中文翻译：正弦计
同义词：
['正弦仪，正弦表例句：1. The sine galvanometer was used to measure the angle of the sun in the sky.（正弦计被用来测量天空中太阳的角度。）']
例句：
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1. The sine galvanometer was used to measure the angle of the sun in the sky.
正弦计被用来测量天空中太阳的角度。
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2.The sine galvanometer is a device used to measure the angle between two points on a circle.
正弦计是一种用于测量圆上两点之间角度的设备。
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3.The sine galvanometer was used to calculate the distance between two points on a map.
正弦计被用来计算地图上两点之间的距离。