名词直径，直径长; 放大率

名词radius

七彩网·英语单词

名词

1. Measure the diameter of this circle.
量一下这圆的直径。

2. The pond has a diameter of three hundred metres.
这池塘直径有三百米。

3. This glass magnifies 20 diameters.
这个放大镜能放大二十倍。

1. 孔径：均需要透过黄光显影与蚀刻步骤形成Via,目前则以深反应离子蚀刻(Deep Reactive Ion Etching;DRIE)技术为主,Via孔径(Diameter)多在20μm以下,受限目前技术孔径 ...3-3 后制程步骤与结果 依据MEMS元件在CMOS标准制程中制作的先后顺 序分类,

2. diameter：dia; 直径其它品质术语类

1. 直径;对径
The diameter of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.

e.g. ...a tube less than a fifth of the diameter of a human hair.
直径不足人的头发直径1/5的电子管
e.g. ...a length of 22-mm diameter steel pipe.
一段直径为 22 毫米的钢管

noun

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

Synonym: diam

2. 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)