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
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。
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