diameter

读音：[dai'æmitə]

n.直径

例句与用法：

The axis of a circle is its diameter.

圆的轴线是其直径。

We must gauge the diameter of wire first.

我们必须先测量电线的直径。

The diameter of the tree-trunk is about 2 meters.

这树干的直径大约是2米。

This lens can magnify 20 diameter.

这个透镜能放大20倍。

词形变化：

形容词: diametral |

n.[C]

1. 直径

Measure the diameter of this circle.

量一下这圆的直径。

2. 倍(透镜等的放大单位)

This glass magnifies 20 diameters.

这个放大镜能放大二十倍。

diameter

名词复数：diameters

词形变化：

形容词: diametral |

同义词：

width | thickness | breadth | length | distance | span | calibre | inside diameter | inside | diameter | diam |

反义词：

radius |

词义辨析：

同义:

n.直径

breadth  width  thickness  inside diameter  calibre  

反义:

n.直径; 倍

radius   diameterdiameterD.J.:[daiˈæmitə]K.K.:[daɪˈæmɪtɚ]n.
1.翻译：直径The circle has a diameter of 6 inches.这个圆直径六英寸。
2.翻译：放大率This microscope magnifies 40 diameters.这台显微镜能放大40倍。

diameter[dai'æmitə]n.
1.翻译：直径
2.翻译：径，对径
3.翻译：【光学】透镜放大的倍数，放大率[略作d.，dia.或diam]

diameterdiameter[daiˈæmitə]n.
1.翻译：直径; 对径, 横断面
2.翻译：倍(放大单位); (显微镜等的)放大倍数a lens magnifying 2, 000 diameters能放大二千倍的透镜 diameter
[dʌɪˈamɪtə]
noun
a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere
（尤指圆或球体的）直径
翻译：the length of this line
直径长
翻译：a transverse measurement of something; width or thickness
横度；宽度；厚度
a unit of linear measurement of magnifying power
放大倍数派生
diametral
adjective
语源
late Middle English: from Old French diametre, via Latin from Greek diametros (grammē) ('line) measuring across', from dia 'across' + metron 'measure'

diameter

名词 diameter:

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

同义词：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) 特殊用法airscrew diameter
1.翻译：螺旋桨直径angle diameter
1.翻译：(锥形螺纹)中径angular diameter
1.翻译：角直径antenna diameter
1.翻译：天线直径antero-posterior diameter of vertebral foramen
1.翻译：椎孔矢径approximate diameter
1.翻译：近似直径armature diameter
1.翻译：电枢直径atomic diameter
1.翻译：原子直径average diameter
1.翻译：平均直径average particle diameter
1.翻译：平均粒子直径balance diameter
1.翻译：摆轮直径bar diameter of spring
1.翻译：簧条直径basal diameter
1.翻译：底面直径base diameter
1.翻译：底座对径, 根部对径basic pitch (of screw) diameter
1.翻译：(螺纹的)基本中径beam diameter
1.翻译：射束直径bit diameter
1.翻译：钻头直径blank diameter
1.翻译：(毛坯直径)外径bore diameter
1.翻译：镗孔直径
2.翻译：量规
3.翻译：孔径bottom diameter
1.翻译：螺纹内径, 螺纹底径breast-height diameter
1.翻译：胸高直径calculated diameter
1.翻译：计算直径chest-height diameter
1.翻译：胸高直径clear valve diameter
1.翻译：阀孔径clearance diameter
1.翻译：(麻花钻上的)留隙直径, 隙径collision diameter
1.翻译：碰撞直径column diameter
1.翻译：柱直径commutator diameter
1.翻译：整流子直径computed diameter
1.翻译：计算直径conjugate diameter
1.翻译：共轭直径core diameter of thread
1.翻译：螺纹底径critical diameter
1.翻译：临界直径cut-off diameter
1.翻译：(波导管)临界直径, 截止直径crown mean diameter
1.翻译：树冠平均直径cylinder diameter
1.翻译：磁鼓直径cylinder bore diameter
1.翻译：气缸内径cylinder inside diameter
1.翻译：缸内径diaphragm diameter
1.翻译：振膜直径; 光阑直径die throat diameter
1.翻译：模孔直径disc diameter
1.翻译：唱片直径disk diameter
1.翻译：圆盘直径drilled diameter
1.翻译：钻孔(最大)直径drum diameter
1.翻译：磁头鼓直径duct diameter
1.翻译：风渠直径effective diameter
1.翻译：有效直径; 中径; 节径effective diameter of picture area
1.翻译：有效画面直径effective molecular diameter
1.翻译：【物化】有效分子 直径equatorial diameter
1.翻译：赤道直径(等于12753.44公里)equiconjugate diameter
1.翻译：等共轭直径equivalent diameter
1.翻译：当量直径equivalent circle diameter
1.翻译：圆当量直径equivalent flaw diameter
1.翻译：当量缺陷直径equivalent free-falling diameter
1.翻译：【冶】等效自由沉降直径exit diameter
1.翻译：出口截面直径exploitable diameter
1.翻译：可利用的径级external diameter
1.翻译：外径eye diameter
1.翻译：入口直径(离心式压气机入口)focused spot diameter
1.翻译：焦斑直径fuel-hole diameter
1.翻译：燃料喷嘴孔径geometric mean diameter
1.翻译：几何平均直径grain diameter
1.翻译：粒径hydraulic diameter
1.翻译：水力直径ideal critical diameter
1.翻译：理想临界直径inner diameter of the recorded surface
1.翻译：(唱片)录声面内径inside diameter
1.翻译：内径interior diameter
1.翻译：内径inside nominal diameter
1.翻译：公称通径installation diameter
1.翻译：装配图interocular diameter
1.翻译：两眼内径interpupillary diameter
1.翻译：瞳孔间径lens diameter
1.翻译：透镜直径linear mean diameter
1.翻译：线性平均直径major diameter
1.翻译：大直径maximum diameter of gear cut
1.翻译：齿轮切削最大直径maximum diameter of hole
1.翻译：最大孔径maximum admitted diameter of work
1.翻译：工件最大许可直径maximum drilling diameter
1.翻译：最大钻孔直径maximum grinding diameter on centers
1.翻译：中心最大磨削直径maximum machining diameter
1.翻译：最大加工直径maximum outside diameter of gear cut
1.翻译：最大齿轮切削外径maximum swing diameter of work over bed
1.翻译：车床床面上加工最大直径maximum swing diameter of work over carriage
1.翻译：车床在刀架上的最大加工直径mean diameter
1.翻译：二次平均直径mean coil diameter
1.翻译：簧圈平均直径mean effective diameter
1.翻译：平均有效直径mean particle diameter (size)
1.翻译：平均粒径mean volume-surface diameter
1.翻译：平均(体积-面积)粒径median particle diameter
1.翻译：【地质】中值粒径mid-timber diameter
1.翻译：材干中央直径milling cutter diameter
1.翻译：铣刀直径minor diameter
1.翻译：小直径minor diameter of thread
1.翻译：螺纹内径module diameter
1.翻译：机心[组件]直径motor chamber diameter
1.翻译：发动机燃烧室直径molecular diameter
1.翻译：分子直径neck diameter
1.翻译：颈部直径nodal diameter
1.翻译：波节直径nominal diameter
1.翻译：通称[标称]直径nuclear diameter
1.翻译：核直径outer diameter of recorded surface
1.翻译：录音面外径outside diameter
1.翻译：外径overall diameter
1.翻译：全径particle diameter
1.翻译：【地质】颗粒直径piston diameter
1.翻译：活塞直径pitch diameter
1.翻译：层心直径, (齿轮的)节径, (螺纹的)中径pore diameter
1.翻译：孔径printing diameter
1.翻译：印刷直径projection diameter
1.翻译：凸起直径punching hole diameter
1.翻译：冲孔直径rim diameter
1.翻译：轮辋直径rolling diameter of wheel tread
1.翻译：轮辋滚动直径root diameter
1.翻译：齿根圆直径; 内螺纹外径, 外螺纹内径rotor diameter
1.翻译：转子直径sauter diameter
1.翻译：沙得直径screw diameter
1.翻译：螺旋直径sedimentation diameter
1.翻译：【地质】沉积直径settling velocity diameter
1.翻译：(粒子的)沉降速度径shank diameter
1.翻译：(锻件上的)柄直径short diameter
1.翻译：小头直径small-end diameter
1.翻译：梢头直径specific punchdiameter
1.翻译：相对凸模直径specific surface mean diameter
1.翻译：比表面平均直径spherical equivalent diameter
1.翻译：球(当量)直径spot diameter
1.翻译：斑直径statistical diameter
1.翻译：【冶】统计直径sweep diameter
1.翻译：扫描直径swell diameter
1.翻译：【航空】膨胀直径swing diameter of work
1.翻译：工件回转直径thread root diameter
1.翻译：螺纹内径throat diameter
1.翻译：喉部直径, (喷管的)临界截面直径top diameter
1.翻译：梢头[端]直径, 顶径tunnel diameter
1.翻译：隧道直径upset diameter
1.翻译：镦锻直径valve diameter
1.翻译：气门径visible crown diameter
1.翻译：【摄】可见冠幅visual diameter
1.翻译：视直径volume surface mean diameter
1.翻译：体表面积平均直径weight-mean diameter
1.翻译：平均重量粒径(以表面积为基准的平均粒径)wetted diameter
1.翻译：(喷灌机的)浇灌直径diameter at butt end
1.翻译：根端直径, 大头直径, 干基直径diameter of a conic
1.翻译：二次曲线的直径diameter of a linear complex
1.翻译：线性线丛的直径diameter of aperture
1.翻译：(天线等的)孔径diameter of axle
1.翻译：轴径diameter of commutation
1.翻译：【电】换向直径diameter of movement
1.翻译：机心直径, 结构直径diameter of part
1.翻译：零件直径diameter of stack openning
1.翻译：烟囱上口直径diameter of target
1.翻译：靶环直径

diameter

1. The diameter and number of CGs varied with size ot cocytes.

CGs 的直径和数量随着卵母细胞体积而变化。

2. The main stem diameter of MSI was 1.22 cm, 0.88 cm more than that of CK.

MS1主茎粗1.22cm,CK为0.88cm,二者差异达到极显著水平。

3. PSW, wave form support board make being use for the little diameter tower.

PSW波形支撑板使用于小直径塔。

4. The dimension of the UFO was6 feet high,15 feet in diameter.

ufo的尺寸是高6英尺，直径15英尺。

5. What is the area of a circle whose diameter is 4 inches?

一个直径是4英寸的园,它的面积是多少?

6. Variation in top roller diameter.

上罗拉直径变异大。

7. The diameter does not walk, is wantonly popular.

不径而走，大肆流行。

8. Its diameter was 6.5 mm and diameter of bore center was 2.1 mm.

中空拉力螺纹钉螺纹直径6.5mm,中心孔直径2.1mm,钛合金材料。

9. Tap root fusiform, 10-20 cm long, 1-4 cm in diameter.

主根纺锤形，长10－20厘米，直径1.4厘米。

10. Inner diameter of well pipe.

井管内径。

11. The human eye has a pupil diameter which, of course, varies.

人眼瞳孔直径当然是可变的。

12. The average grain diameter as determined from a random cross section.

从材料任一横截面上测量的晶粒直径的平均值。

13. A new 16" diameter telescope is currently being installed in the Observatory.

位于香港大学物理系大楼之天台，一支全新的十六?伎诰锻?毒嫡?诎沧爸小

14. Set the upper guide rods to cup diameter using the centring ring.

使用定位环设置上导杆与杯径位置相同.

15. The eccentric diameter tolerance which is h9.

偏心直径公差为h9。

16. Secondly, the NAS model based on Diameter, EAP and PANA protocols is designed.

其次,基于Diameter、EAP和PANA协议,设计了一个网络接入服务器模型。

17. It's length was exactly 8 cm and the diameter of the face on each end was 1cm.

其长度正好是8 cm,每个端面的直径为1cm。

18. The interior diameter of a hole, tube, or cylinder.

内径洞、管或圆柱体的内径

19. The diameter of the entire stimulating field was approximately 13 6 deg of arc.

刺激野直径约13.6度。

20. The medals are 70mm in diameter and 6mm in thickness.

北京2008年奥运会奖牌直径为70毫米，厚6毫米。

21. Single plane mean bore diameter deviation.

单一平面平均内径偏差。

22. Single plane mean outside diameter deviation.

单一平面平均外径偏差。

23. Bore diameter variation in a single radial plane.

单一径向平面内径变动量。

24. The original 6 cm's tumor shrank to the current 3 cm in diameter.

原来有6公分多的肿瘤,现在直径3公分。

25. The diameter of the inside of a round cylinder, such as a tube.

口径圆柱体内侧圆的直径，如管道

26. The numerous of orbed virus piled upwhich diameter was about 30nm.

可见细胞核周围有大量成堆的球状病毒颗粒,直径约30nm。

27. 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。

28. 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。

29. Diameter of the tube and what kind of Cardboard ?

呵呵，圆筒直径！客户意思是用圆筒配纸版呢还是纸版种类?

30. Because the trocar has only a few micrometers in diameter.

因为它这个导管呀实际上只有几个毫米

31. The ratio of circumference to diameter is approximately 3.1416.

圆周长与直径的比大约是3.1416。

32. The ratio of the circumference to the diameter of a circle.

圆周长度与圆的直径长度的比。

33. The diameter and the circumference of a circle correlate.

圆的直径与圆周有相互关系。

34. The diameter and the circumference of a circle.

圆的直径和圆周相关联。

35. The axis of a circle is its diameter.

圆的轴线是其直径。

36. A circle is bisected by any diameter.

圆被任一直径二等分。

37. Apply a 6-mm (1/4-in) diameter bead of sealant to the window opening flanges.

在窗户开口凸缘，使用一个直径为6-公厘(1/4-英寸)密封剂压条。

38. The implant with 3.75 mm diameter is more suitable for orthodontic anchorage.

在选择正畸支抗种植体时 ,直径为 3 .75mm的种植体较适宜作正畸支抗体

39. However, increasing the diameter of the dowel may reduce the stress slightly.

垂直受力时：螺旋根柱侧方的应力随受力而往两侧增加。

40. Type B: Stand for reduce diameter, one sub has two OD (D1,D2).

型即为异径式：也就是一只转换接头有两个外径（D1，D2）。

41. The diameter and thickness are available upon request.

外径和厚度可按照客户要求定制。

42. Circumcircle a diameter of one-tenth of flag high.

外接圆直径为旗高十分之一。

43. Approaching a Technical Problem of Home-made Large Diameter Bend.

大口径弯管国产化技术问题探讨。

44. Geodetic theodolites generally have circles of about 140mm diameter.

大地经纬仪的度盘直径一般为140毫米。

45. The variations of size (diameter) consist of a blowing-up of the images.

大小（直径）的变化包括图象的扩大。

46. 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。

47. The diameter of the sun is one hundred and nine times that of the earth.

太阳的直径是地球直径的109倍。

48. How much is the diameter of the sun longer than that of the earth ?

太阳的直径比地球的直径长多少?

49. They brief rubbedjoyed at instant rejudge to diameter.

她们对他重返务工感到欣喜。

50. She drew a circle about three feet in diameter.

她画了一个直径约三英尺的圆。

51. Were the wire of a small diameter , its resistance would be increased .

如果导线的直径小一些，其电阻就会增加。

52. If I remember correctly, it is about 6cm in diameter.

如果我记得没错的话,它的直径约为6公分.

53. The diameter of the objective of a telescope.

孔径望远镜物镜的直径

54. The diameter of such an opening, often expressed as an f-number.

孔径这种开口的直径，常以f数表示

55. It is a stainless steel tube about 2cm in diameter.

它是直径约2厘米的不锈钢管。

56. It is the basis to determine the roller diameter position and strain analysis.

它是确定轧辊滚动直径位置和张力分析的基础。

57. It is 36 feet in diameter at the base.

它的根部直径可达36英尺。

58. It measures three feet in diameter (height/length).

它的直径(高度;长度)是3英尺。

59. It measures three feet in diameter [height, length].

它的直径[高度，长度]是3英尺。

60. A unit of length equal to one thousandth(10-3) of an inch(0.0254 millimeter), used, for example, to specify the diameter of wire or the thickness of materials sold in sheets.

密耳长度单位，等于一英寸的千分之一(10－3)(0.0254毫米), 如用来标明电线的直径或按页出售的材料的厚度。

61. Diameter of guide pins must be a minimum of 75% of shoe thickness.

导柱直径必须是模座厚度的75%。

62. Package in 8mm tape on 7 diameter reels.

封装在8毫米磁带7直径卷筒。

63. The upright robot must fit inside an upright 22 cm diameter cylinder.

将直立状态的机器人放入直径为22 cm的圆柱筒内,大小正合适。

64. Just to the right of Moretus is the 95 kilometer diameter crater Curtius.

就在莫尔环形山右侧的是直径为95公里的寇提斯环形山。

65. Barringer crater is 1.2km in diameter.

巴林杰陨石坑的直径有1.2千米。

66. Diameter pitch threads number and range D.P.

径节螺纹种数与范围。

67. 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.

68. Virions were roughly round and approximately 50nm in diameter with a 30nm core.

成熟的病毒颗粒呈直径约为50nm的球形颗粒,内含直径约为30nm的核芯.

69. Must gauge the diameter of wire first.

我们必须先测量电线的直径。

70. For the nuclear diameter we have used 18fm.

我们用18fm作为原子核的直径。

71. Based on this,the effect of downcomer diameter and h...

所获得的结果对气升式反应器的设计优化具有指导意义。

72. The diameter of the throwing ring is 2.5 metres.

投掷圈的直径是2.5米.

73. It take me about two hour and a half to dig a hole one meter in diameter and two meter in depth.

挖一个直径为1米、深为2米的洞大约要花费我两个小时半的时间。

74. MINIMUM DIAMETER OF THE SUMP IS NPS 12.

排污箱的最小直径是NPS（公称直径）12（英寸）。

75. Provide coil diameter calculation method and precision.

提供卷径计算方式及计算精度。

76. Its total circumference6 is 15.70 m,and its diameter is 5 m.

整个周长为15.70米，直径为5米。

77. Shandong Province is the largest diameter hose manufacturer.

是山东省最大口径胶管生产厂家。

78. Can a smaller diameter fiber be used in the probe?

更小直径的光纤能在探测器中使用吗?

79. The largest asteroid, Ceres, has a diameter of just over 1000 km.

最大的小行星，谷神星，有着刚好超过1000公里的直径。

80. Maximum Diameter: 4.10 m (13.40 ft).

最大直径4.10 m(13.40英尺)。