diameter是什么意思？

diameter

英[daɪˈæmɪtə(r)] 美[daɪˈæmɪtɚ]

• n. 直径，直径长，放大率；

复数：diameters;

例句

• The circle has a diameter of 6 inches. 这个圆直径六英寸。
• The axis of a circle is its diameter. 圆的轴线是其直径。
• Because the spacesuit protection only 1 mm in diameter, about the impact of space debris. 因为航天服只能防护直径在1毫米左右的空间碎片撞击.
• As a rule of thumb , the minimum device feature is about 4 times the beam diameter. 一般来说, 最小器件图形大约是电子束直径的4倍.
• These plaits have an extremely compact surface and a regular diameter. 这些辨子绳有着极为紧致的表面和规范的直径.
• Wetting - force data on filaments of any diameter and shape can easily obtained. 各种直径和形状的长丝的润湿力数据是易于测量的.
• The intelligent sensor has self - calibration zero spot , self - demarcates, self - calibration function, different cylinder diameter hypothesis. 智能传感器是论文的主要内容,能够实现自校零 、 自标定 、 自校准和不同缸径单体液压支柱的设定.
• Cement piles ( diameter 600 mm ) are foreseen under slab and inside the backfilled river. 地坪下和回填河道内采用直径600毫米的水泥搅拌桩.
• The detection concept for large diameter beam parallelism with penta prism is introduced. 介绍了用五棱镜法检测大口径光束平行度的原理.
• Large diameter wafers are feasible and 200 - mm wafers have been produced. 大直径片子已不难制造,200mm的片子也已产生了.

同义词

• n.
  diameter的同义词之：直径
  width, thickness, inside, breadth, calibre, diameter,

反义词

• n.
  diameter的反义词之：直径;倍
  radius,
• diameter的反义词之：其他释义
  radius,

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  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.
  例句
  ...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 ...a length of 22-mm diameter steel pipe. 一段直径为 22 毫米的钢管

英汉词典释义

• n.
  直径
  The circle has a diameter of 6 inches. 这个圆直径六英寸。
  放大率
  This microscope magnifies 40 diameters. 这台显微镜能放大40倍。

英英词典释义

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

行业词典

• 医学： 直径，径：经圆心连接圆周对应点的直线的长度。在某一结构(如颅或骨盆)周边二个特定对应点之间的距离；
  数学： 直径；