diameter
美 [daɪˈæmətər] 
英 [daɪˈæmɪtə(r)]
- n.直径；对径；放大率；放大倍数
- 网络外径；最大直径；完成外径
词形变化
复数：diameters 同义词
英汉双解
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 |
英汉解释
英英解释
例句
A dielectric waveguide integrated plasma lamp is disclosed for powering a small and bright bulb with a diameter of a few millimeters.
本发明公开了一种介质波导成一体的等离子体灯，用于给直径为几毫米的小和明亮的灯泡供电。
The number and type of gaskets is identical to that of the B-200 motor, except being of a lesser diameter.
的数量和类型垫片是相同的表示，在该B-200型汽车，除了被一个较小的直径。
S after making the flat spiral, the next task was to pull it up from the small diameter windings and create a cone-shape spiral.
这样在制做平面螺旋后，接下来的任务是把它从小直径的线圈上拉成锥形螺旋。
The relaxation of the jet to its final diameter has been used to provide a direct estimate of the fluid relaxation time.
射流到其最终直径的松弛过程，被用来对流体的松弛时间提供直接的估算。
After the detailed analysis, for the long pile, the pile should take the appropriate diameter to give full play of the length of piles.
通过分析研究认为，对于超长桩应取适当的桩径才能充分发挥桩长的作用；
But only a diameter of less than half a millimeter of fiber optic cable to be made of thick copper wire cable than carry more information.
但是只一根直径小于半毫米的光纤电缆就可以比铜丝制成的粗电缆承载更多的信息。
All that remained of the factory, the Covenant cruisers , and ground forces of Beta Company was a glass crater four kilometers in diameter.
工厂、圣约人巡洋舰和贝塔连地面军队所留下的是一个直径四公里的玻璃坑。
The shear force reading of a ball bond must be correlated with its ball diameter for proper assessment of its ball shear strength.
剪切力度应与金球直径相关（金球直径的设定应考虑到键合点需要承受的力度）。
The Saturn hexagon seems to represent the strange rigid path of a jet stream, with each of the six sides being one Earth diameter in length.
土星上的六角形云团像是激流形成的固定图案，每条边的长度与地球的直径相当。
Measurement of graphite sleeve bearings and the diameter of the shaft and see that they meet the surface finish.
测量石墨轴承的孔径和轴套的轴径，并察看它们配合面的光洁度。
38-millimeter diameter: This Patek Philippe model is an evolution of an older model, which had a smaller face.
38毫米直径：这款百达翡丽是一款老式腕表的改进版，之前那款表盘更小。
It consists of a pair of meter-tall chambers connected at the top by a tube containing an air turbine the diameter of a dinner plate.
它包括对米高庭连接顶部由一个管含有空气透平的直径晚宴板。
Diameter of anchored implant has no effect on either stress distribution of the bone tissues around the anchored teeth or the displacement.
支抗种植体的直径对支抗牙周围骨组织的应力分布及其位移变化没有影响。
In astronomy, the "diameter" of a stellar image as it appears on a CCD frame is often described by the FWHM of the PSF of the source.
在天文上，用CCD拍摄的一颗恒星的“角直径”经常被描述为该点扩展函数的半最大值宽度。
Results: The optimum preparing technology of pellets was found. A combination of Mean Diameter, Yield and influences was established.
结果：优选出快速搅拌制粒机制备空白微丸的工艺条件，并得出微丸平均粒径、收率与影响因素的定量关系。
For a spherical particle of a diameter D coated by a spherical asphalt shell, as shown in Fig.
球形粒子直径D包覆球形沥青外壳程序中，如图中所示。
The small rota diameter does mean she spins very fast and their is quite a bit of tip noise, but not enough to worry about.
小罗塔直径意味着她旋转非常快，他们是相当多的冰山噪音，但不足以担心。
It was processed by equal diameter cutter, so the cutter was easy to be wear out and replaced often generally.
一般采用等径刀具加工，刀具容易磨损，经常需要更换刀具，致使加工成本高，且精度不易保证。
Within two years, Iorio hopes, the project will be able to create samples of the new material a few centimeters in diameter.
Iorio希望他们能够在两年内合成出直径达数厘米的样品。
Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimetre.
纳米晶体（也被称为量子点）是一些半导体粒子，其直径为几百万分之一毫米。
The reactions(forces)on each sphere were equal and opposite and directed along the diameter through the point of contact.
每个球上的反作用（力）大小相等方向相反，其作用方向沿着通过接触点的直径。
The next operation is surface grinding, and is the step that defines the diameter of the material.
下一步是表面磨削，这是确定材料直径的工序。
Normally small diameter sections produced by unredrawing have inferior properties with an apparently reduced extension at failure.
在正常情况下，拉丝做成的小直径断面具有破坏时伸长显著减少的不良性质。
One study used an eight-foot diameter toroidal combustor, burning liquid oxygen and gaseous hydrogen, with four different injectors.
有一项研究采用8英尺直径的环形燃烧室用四种不同的喷注器，推进剂是液氧和气氢。
The diameter of the nucleus, if we think of it as roughly spherical, is of the order of 10-14m.
如把原子核粗略地看作球形，则它的直径的数量级为10-14m。
Smith (1962) considered three alternate methods to determine an equivalent diameter of graded sediment.
史密斯（1962）提出了三种不同方法以计算不均匀沙的当量直径。
Knowledge of the particle diameter and fluid properties immediately defines the region of flow and the applicable relations.
已知颗粒直径和流体性质，就可直接确定流动区域和适用的关系式。
The initial inner diameter of the outer cylinder was 59 mm, giving a shrinkage allowance of 1. 5%.
外圆筒的初始内径为59毫米，热套裕度为1.
For the nuclear diameter we have used 18fm.
我们用18fm作为原子核的直径。
Thin, tangled fibers, about 3 to 5 nm in diameter, traverse the clear nuclear area.
直径约30-50埃的细小盘曲的纤维横贯透明的核区。
The diameter of the column has now decreased to 2, 000 feet.
这时水柱的直径已减少到2000英尺。
The next pipe diameter is at least the Pacific, is the Yangtze River in the Yellow River.
未来管道的直径至少是太平洋，绝对不是黄河长江。
Note that the nominal inside diameter is not the same as the drift diameter but is always slightly larger.
注意到名义内径并非通径规的直径，但是总是稍大于通径规的直径。
Each of the four balls was to be 20 feet in diameter and made of very thin copper.
每一个气球的直径都达到20英尺，用非常薄的铜片制成。
These lights mount by means of a rubber bushing snapped into a 9 mm diameter panel cutout. There is no need for nuts or washers.
这些灯通过橡胶套管安装在直径9毫米的面板开孔上，不需要螺栓或垫圈辅助安装。
A skilled user could create storm conditions in areas up to several kilometers in diameter, lasting for hours at a time.
高级的原力操纵者更能够制造直径七公里的、可持续数小时的暴风圈。
Sieve diameter is the length of the side of a square sieve opening through which the given particle will just pass.
“筛析粒径”是指一个四方筛孔的边长，某已知的颗粒将恰好通过这筛孔。
Early jet engines had narrow inlets and were very noisy, but as the diameter of the fans at the front increased, the engines became quieter.
早期的喷气式发动机进气口狭窄且噪音巨大，但是随着前部风扇直径的增大，发动机变得越来越安静。
Note: the external insulation diameter of the monitoring cores should correspond to that of the dynamic core.
注：监视线芯绝缘外径应与动力线芯绝缘外径相当。
The diameter and the length of the wire are not the only factors to indolence its resistance.
导线的直径和长度不是影响电阻的仅有的因素。
You're just jealous because the diameter of your stomach is probably twice that of her stomach.
你只是嫉妒罢了，因为你肚子的直径可能是她肚子的两倍。
After a while, I saw a large pillar of energy descend upon me, a cylinder made of some kind of rotating energy about 15 inches in diameter.
过了一会儿，我看到一大股圆柱形的旋转能量从上而下降临到我身上，直径大约15英寸，力量很大。
It is illegal for a husband to beat his wife with a stick larger in diameter than his thumb.
丈夫用直径大于其拇指的棍棒打太太是违法的。
THE diameter of a wind turbine capable of generating five megawatts (MW) of electricity is, at 120 metres, roughly that of the London Eye.
一台发电能力在5MW的风力涡轮机的直径有120米，大致相当于伦敦眼的。
The air gap must be at least two times the diameter of the water supply inlet and no less than one inch in diameter.
在水槽的下水管和地板下水管之间。气隙的大小应至少为进水管直径的两倍，直径不应小于一英吋。
The reactions(forces)on each sphere were equal and opposite and directed along the diameter through the point of contact.
每个球上的反作用（力）大小相等方向相反，其作用方向沿着通过接触点的直径。
The diameter of it is short, rotary speed is high and transfer volume is large specially used for incline and plumb conveyance.
它的螺旋体直径小、转速高、输送量大，特别适用于倾斜和垂直输送。
Dione, on the right, has less than a quarter of Titan's diameter and has no significant atmosphere.
土卫四（狄俄涅），右边那颗，直径小于土卫六的四分之一，没有明显的大气层。
Scions of healthy young plants are grafted to seedlings, making sure the diameter of the scion matches that of the rootstock.
接穗健康年轻植物嫁接苗木，使一定直径的接穗火柴的砧木。
This was thought to be due to the thin cortical walls as a result of the larger reamer diameter in this group.
应该是因为该处由较大直径的扩孔钻导致的骨皮质较薄。
The theoretical and technical problems to be researched for large diameter drilling are outlined with its application prospect appraised.
简述了大直径钻井需要研究的理论和技术问题，并对应用前景作了评价。
