diameter

英 [daɪˈæmɪtə(r)]

美 [daɪˈæmɪtər]

n.  直径; 对径; 放大率; 放大倍数

复数：diameters　

CET4CET6考研TOEFLIELTSGRETEM4TEM8医学

Collins.2 / BNC.4613 / COCA.5253

牛津词典

noun

• 直径；对径
  a straight line going from one side of a circle or any other round object to the other side, passing through the centre
  1. the diameter of a tree trunk
     树干的直径
  2. The dome is 42.3 metres in diameter .
     这个穹顶直径为42.3米。
• 放大率；放大倍数
  a measurement of the power of an instrument to magnify sth
  1. a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)
     放大 300 倍的透镜

柯林斯词典

• N-COUNT 直径;对径
  Thediameterof a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
  1. ...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
  2. ...a length of 22-mm diameter steel pipe.
     一段直径为 22 毫米的钢管
  3. ...a tiny capsule, between 1 and 3 millimetres in diameter.
     直径在 1到3 毫米之间的微型胶囊

英英释义

noun

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

双语例句

• This last error depends on the wire spacing and diameter.
  后者引起的误差取决于导线的距离和直径。
• Required cure time depends on temperature, pipe diameter, and pressure application.
  所需要的固化时间与温度、管道直径和应用压力有关。
• And the volume of the satellite droplets increases with the initial droplet diameter and the impact velocity.
  且卫星液滴的体积随着初始液滴直径和初始撞击速度的增大而增大；
• Remember, we are THE source for Large Diameter Pipe, Heavy Walls and X-Grades.
  请记住，我们的大口径钢管，重墙和X级的源。
• The result gave the optimal filter particle diameter, layer thickness and filtration velocity.
  根据实验结果，确定了最佳的过滤介质粒径、过滤层厚度和过滤速度。
• An experiment investigation on flow resistance of inertial separation of small diameter water drops;
  分析了水滴的惯性分离机理以及各个因素对分离效率和流动阻力的影响。
• This hole was a scant. 23 inches in diameter
  这个洞眼的直径只有0.23英寸。
• You can choose Pipe diameter and Form as below.
  您可以选择探头直径和外型如下图所示。
• The relationships among perforation diameter, density, phase and casing strength are clarified.
  明确了射孔直径、度及相位等与套管强度的关系。
• Design, construction technology and construction control of construction of tube-in-tube with large diameter are introduced.
  介绍了大直径筒中筒滑模施工的滑模设计、施工工艺和施工控制要点。