直径的

In chapter 4, the theory was applied to study the stability of very large 〓icosahedral particles.

实验上很惊奇地发现在高温(约1700K)高压(4.0-5.5GPa)下可以制备出来直径达40μm的具有Mackay二十面体结构〓颗粒。

Virus particles was 20 icosahedron, a diameter of about 27 nanometer, without capsule, single-stranded nucleic acid RNA, is the hepatitis pathogen.

病毒粒子呈20面体，直径约27纳米，无被膜，核酸为单链RNA，是甲型肝炎的病原。

The optimal ball diameter and the mass ratio of ball /ilmenite were 20 mm and 70∶1, respectively.

结果表明，采用滚筒球磨活化时，适宜的磨球直径为 2 0mm左右，球料比为 70∶1左右。

On the basis of digital image processing and pattern recognizing techniques, a quantitative auto-measurement system was developed to diagnose the digital microscopic image of sprayed droplets.

本文将数字图像处理和模式识别技术运用于显微雾滴微粒测量之中，尝试一种基于计算机图像识别的雾滴直径测量方法。

10X, thereby sacrificing angle of view and stability of image.

另一些人认为镜子的出瞳直径越大越好，以便在黄昏和黎明时也能使用。

It is approximately 22 kilometers (14 miles) in diameter, more than 20 times larger than another impact crater, Victoria, where Opportunity spent most of the past two years.

该坑直径约22公里，比"机遇"号过去两年大部分时间所呆的地方"维多利亚坑"大20倍。

The metal bar inserted in the collar came from a motor shaft which is 2mm in diameter.

金属酒吧插入在衣领来自电机轴是二毫米的直径。

Width series or a high degree of series and the diameter of series combination of pairs of tapered roller bearings also included angle.

宽度系列或高度系列与直径系列的组合，对圆锥滚子轴承还包括角度。

Dimensional analysis was constructed to derive the dimensionless functions of a spherical indenter with 1 mm in diameter.

采用量纲分析法，建立了直径1 mm球形压头的无量纲函数。

Seven days after inoculation, 1 mm tumor was formed on the back of 31 nude mice.

接种7 d 后，31只裸鼠背部形成直径约1 mm 左右的肿瘤。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。