diameter是什么意思 diameter在线中文翻译

diameter[dai'æmitә]

汉语翻译

n. 直径
【医】 直经, 径

词型变化

形容词:diametral 

英语解释

名词 diameter:

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

例句

1. The axis of a circle is its diameter.圆的轴线是其直径。
2. We must gauge the diameter of wire first.我们必须先测量电线的直径。
3. The diameter of the tree-trunk is about 2 meters.这树干的直径大约是2米。
4. This lens can magnify 20 diameter.这个透镜能放大20倍。

详细解释

di.am.e.ter
n.（名词）Abbr. dia.,diam.Mathematics 缩写 dia.,diam.【数学】 A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.直径：穿过一图形，特别是圆形或球形的中心到圆周结束的直线段The length of such a segment.直径长：这样一段的长度Thickness or width.厚度或宽度
来源：Middle English diametre 中古英语 diametre from Old French 源自 古法语 from Latin diametrus 源自 拉丁语 diametrus from Greek diametros 源自 希腊语 diametros dia- [dia-] dia- [前缀，表.完全的，有始有终的.] metron [measure] * see mô- 2metron [测量] *参见 mô- 2
【引伸】
diam.etral