diameter

美 [daɪˈæmɪtər]英 [daɪˈæmɪtə(r)]
  • n.直径;对径;放大率;放大倍数

复数: diameters

dia- 二者之间 + meter 测量,计量

CET4 考研 IELTS TOEFL TEM4 TEM8 GMAT GRE

diameterdiameter

noun

1

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

the diameter of a tree trunk

树干的直径

The dome is 42.3 metres in diameter .

这个穹顶直径为42.3米。

2

放大率;放大倍数
a measurement of the power of an instrument to magnify sth

a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)

放大 300 倍的透镜

diameter

频次

  • 1
    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.

    ...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

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)

数据来源:WordNet

  1. The dome is 42.3 metres in diameter .

    这个穹顶直径为42.3米。

  2. This hole was a scant . 23 inches in diameter

    这个洞眼的直径只有0.23英寸。

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

    圆周内两直径必相交。

  4. The diameter of a circle must go through the center .

    圆的直径必相交于圆心。

  5. The axis of a circle is its diameter .

    圆的对称中心线就是直径。

  6. The circle has a diameter of6 inches .

    这个圆直径六英寸。

  7. Geodetic theodolites generally have circles of about140mm diameter .

    大地经纬仪的度盘直径一般为140毫米。

  8. A diameter passes through the center of a circle .

    直径从圆心穿过。

  9. Height , breadth and diameter of corolla are the important ornamental characters of petunia .

    株高、冠幅、花径是矮牵牛的重要观赏性状。

  10. The core module , Tianhe , has a total length of 16.6 meters , a maximum diameter of 4.2 meters and a takeoff mass of 22.5 tonnes , and is the largest spacecraft developed by China .

    天和核心舱长度16.6米,最大直径4.2米,发射质量22.5吨,是中国研发的最大的飞行器。

  11. So , Dr Katsia Pabortsava , from the National Oceanography Centre in Southampton , led an expedition to find all that missing microplastic – particles , smaller than the diameter of a human hair – floating in the Atlantic .

    因此,来自英国南安普顿国家海洋学中心的卡茨亚·帕波尔茨亚娃博士(DrKatsiaPabortsava)带领了一支考察队去寻找漂浮在大西洋上所有分解得不见踪影的微塑料碎片,这些碎片的大小小于人类头发的直径。

  12. Study of amelioration of thread 's diameter measurement system and improving precision

    微丝直径激光测量系统的改进及提高精度的研究

  13. The root system size and adventitious root diameter are various ;

    根系在大小和不定根直径方面存在变异;

  14. Study of mechanism of small diameter filling pile

    小直径钻孔灌注桩作用机理研究

  15. A Study on Droplet Diameter Measurement by Its Image

    雾滴直径影像反求测定法研究

  16. Study about the Effect of Implant Length and Diameter on Stress Distribution with Finite Element Method

    微螺钉型种植体支抗长度及直径对应力分布影响的三维有限元研究

  17. Experimental study on the axial bearing capacity distribution of major diameter PHC pile

    大直径PHC桩竖向承载力分布的试验研究

  18. High & Speed Dynamic Noncontact Laser Optical Methods for Monitoring Optical Fiber Outer Diameter

    高速动态非接触激光光学法测量光纤外径

  19. Research on Offset Joint Method for the Measurement of Mode field Diameter of Single mode Fibers

    用于单模光纤模场直径测量的横向错移法的研究

  20. Influence of Fiber Diameter on Liquid Diffusion within Nonwoven Structures

    纤维直径对液体在非织造结构中扩散的影响

  21. Calculation for Economic Diameter of Small Hydropower Tunnel

    小水电站发电引水隧洞经济洞径的计算

  22. Large diameter carbon filaments from mesophase pitch for thermal management applications

    高导热大直径中间相沥青炭纤维的研制及结构表征

  23. Having a very small internal diameter .

    具有非常小的内径的。

  24. Study on Temperature Action of Coal Silo With A Diameter of 40 Meters

    直径40m圆筒煤仓的温度作用研究

  25. Determination of Excavation Moment of Parallel Large Diameter Tunnel and Cross Passage

    大直径平行隧道及联络通道施工时机的确定

  26. The Method of Measurement of the Shaft Diameter by Laser and V - type Block

    用激光和V型块测量轴径的方法

  27. The ratio of height to diameter of bed , 6 ~ 8 .

    床层高径比6~8。

  28. Fiber length to rotor diameter not near to unity .

    纤维长度与纺杯直径不一致(协调)。

  29. Study on the Adsorption Characteristics of Powdered Activated Carbon of Different Grain Diameter Sizes

    不同粒径粉末活性炭的吸附特性研究

  30. Major diameter welded steel pipe for low-pressure liquid service

    GB/T14980-1994低压流体输送用大直径电焊钢管

前缀
e-二者之间

dialogue n. (尤指集体或国家间为解决问题、结束争端等进行的)对话

dia- 二者之间 + log 说话 + -ue 名词后缀

diagram n. 简图

dia- 二者之间 + gram 写,记录

dialect n. 地方话

dia- 二者之间 + lect 说

dialog n. 对话

dia- 二者之间 + log- 说话

diagnose v. 诊断(疾病)

dia- 二者之间 + gnose 知道