音标与读法

这里为大家介绍下diameter 是什么意思，希望能帮助到各位朋友。

音标：[ dai"æmitə ]名词复数:diameters

中英文翻译

n.

1.直径。

2.(显微镜等的)放大倍数。

短语和例子

a lens magnifying 2,000 diameters 能放大二千倍的透镜。

the length of a straight line passing through the center of a circle and connecting two points on the circumference

同义词：diam,

a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

例句与用法

1.For the nuclear diameter we have used 18fm .

我们用18fm作为原子核的直径。

2.Any two diameters of a circle intersect each other .

圆周内两直径必相交。

3.Each telescope would be 100 meters in diameter .

每个望远镜的直径为100米。

4.It is a stainless steel tube about 2cm in diameter .

它是直径约2厘米的不锈钢管。

5.The diameter and the circumference of a circle correlate .

圆的直径与圆周互相关联。

6.The bolt has a diameter of 1cm .

螺栓直径为1厘米。

7.The human eye has a pupil diameter which, of course, varies .

人眼瞳孔直径当然是可变的。

8.The diameter of mars is slightly over half that of the earth .

火星的直径比地球的半径稍大些。

9.The stem has a slightly smaller diameter than the valve bore .

阀杆的直径略小于阀体孔的直径。

10.The diameter of the column has now decreased to 2, 000 feet .

这时水柱的直径已减少到2000英尺。

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