A rock fragment between4 and64 millimeters(0.16 and2.51 inches)in diameter , especially one that has been naturally rounded.

水晶石石英断片,直径4到64毫米(0。16到2。51英寸),尤指天然圆形的石英颗粒

属类：综合句库--

A slight oscillation showed Dants that all went well. At the end of an hour the stone was extricated from the wall, leaving a cavity a foot and a half in diameter

他开始撬动,大石块动了一下,他明白这个主意不错,一小时以后,那块大石头就从墙上挖了出来,露出了一个一尺半见方的洞穴。

属类：综合句库--

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

它的直径(高度;长度)是3英尺。

属类：综合句库--

It has a circumference of about forty thousand kilometers, a polar diameter of twelve thousand seven hundred and fourteen kilometers, and an equatorial diameter of twelve thousand seven hundred and fifty-six kilometers.

它的周长约为40000公里,南北极直径约12714公里,赤道直径为12756公里。

属类：工程技术-地质-地质与勘探

It is a stainless steel tube about 2cm in diameter

它是直径约2厘米的不锈钢管。

属类：综合句库--

Test method for diameter and equivalent diameter of carbon fiber by microscopy

碳纤维直径和当量直径检验方法(显微镜法)

属类：行业标准名称-国家标准名-GB/T3364-1982

Metric trapezoidal screw threads--System of diameter and pitch

梯形螺纹直径与螺矩系列

属类：行业标准名称-国家标准名-GB/T5796.2-1986

Radio telescope system is consisted of 27 parabolic dishes, each dish is 82 ft (25 m)in diameter and can be moved independently by transporter along rails laid out in an enormous Y pattern whose arms are about 13 mi (21 km)long.

天线阵由二十七个拋物面天线组成,每个直径25公尺。每个天线被安装在运输车上,车可沿铁轨移动,铁轨呈巨大的Y字形(每条Y字臂长约21公里)。

属类：IT行业-电子电脑-

Normally we would take about half a metre long tube of material, which is about 150 millimetres in diameter , that is about ten to 15 litres of material."

通常我们会取出半米长管子的泥土,它的直径大约为150毫米,这大约等于10-15公升泥土。”

属类：综合句库--

A game played on a four-walled handball court by two or four players with short-handled rackets and a hollow rubber ball2?nches(5.7centimeters)in diameter .

网拍墙球在四面有墙的手球场内由两名或四名选手玩的一种游戏,使用一种短柄球拍和一个直径2加?寸(5。7厘米)的空心橡皮球

属类：综合句库--

Particulate matter includes particles from molecular size to greater than 10Mm in diameter .

微粒物质包括从分子大小到直径大于10毫米的粒子。

属类：综合句库-典型例句-

Particulate matter includes particles from molecular size to greater than 10Mm in diameter

微粒物质包括从分子大小到直径大于10微米的粒子。

属类：综合句库--

The core is located in the inner most of the earth and has a diameter of sixty-nine hundred kilometers. Iron and nickel are probably its main composition.

位于地球最内的核部的直径有6900公里,它的主要成分可能是铁和镍。

属类：工程技术-地质-地质与勘探

We must gauge the diameter of wire first

我们必须先测量电线的直径。

属类：综合句库--

The method we use for numbering lines is slightly different. For example 4"-305-FG-B3 refers to a 4 inch diameter pipeline, the fifth line to unit 300, a fuel gas service line having a service and pressure rating of B3 according to BS 1646:1983.

我们用来给管线编号的方法有一点不同。例如,4"一305～FG-B3指的是300单元、第5号管线、一根4时直径的管线,这是一根燃气供应管,供气与压力等级,按照RSl646:1983规范是B3。

属类：化学及生命科学-化工-化工厂设计与操作

SEM stages are now available that can handle wafers 125 mm and larger in diameter

现今已有能处理125mm和更大直径的片子的SEM样品台。

属类：综合句库--

An abnormally small red blood cell that is less than five microns in diameter and may occur in certain forms of anemia.

小红细胞一种畸形小的红血细胞,直径小于5微米,在某些贫血症状中出现

属类：综合句库--

The cardio-thoracic ratio, expressed as a percentage, is the ratio between the maximum transverse diameter of the heart and the maximum width of the thorax

心胸比率用百分率表示,是心脏最大横径和胸廓最大宽径的比率。

属类：综合句库--

Information processing--Magnetic disk for data storage devices-83000 flux transitions per track,130mm outer diameter ,40mm inner diameter

信息处理数据存储设备用磁盘盘片外径130mm、内径40mm、每道83000次磁道翻转

属类：行业标准名称-国家标准名-GB/T9415.1-1988

To design an optimum shell and tube heat exchanger, there are many variables including pressure, diameter , length and baffle spacing, resulting in a very complex problem.

要设计一个最佳化的管壳式换热器,包含许多变量,如压力、直径、长度和折流板间距,结果使问题非常复杂。

属类：化学及生命科学-化工-化工原理与技术

A cable consisting of one conductor, usually a small copper tube or wire, within and insulated from another conductor of larger diameter , usually copper tubing or copper braid

一种电缆,它的中心是一根导体,通常为较细的铜管或铜线,其周围为绝缘介质,外面为直径较大的导体,通常为铜管或铜编织物。

属类：综合句库--

The angle of the diagonal is determined by the closeness of the warp ends, the number of yarns used per 10 cm, the diameter of the yarns used, and the actual progression forming the repeat.

影响斜纹线倾角的因素有经纱的紧密程度、纱线的密度、纱线的直径、以及完全组织中实际的飞数。

属类：行业术语-纺织服装-

By a combination of experimental study and theoretical prediction, in-tube condensation tests for natural refrigerant R290 were conducted for smooth, microfin and crosshatched 9.52 mm outside diameter copper tubes.

用实验与关联式理论计算对比的方法,研究了自然工质丙烷在外径9.52mm的铜光管、内螺纹管及内交叉肋管内的冷凝换热特性。

属类：化学及生命科学-化工-制冷论文

The difference in a given firearm between the diameter of the projectile fired and the diameter of the bore of the firearm.

游隙某一特定火器枪弹的直径与火器镗孔的直径之间的差异

属类：综合句库--

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。

属类：综合句库--

The diameter and the circumference of a circle correlate

圆的直径与圆周互相关联。

属类：综合句库--

The axis of a circle is its diameter .

圆的轴线是其直径.

属类：综合句库-典型例句-

1 m3 of catalyst particles in a fluidized reactor may have a surface area of 30,000m2, equivalent to a sphere with a diameter of almost l00m!

在流化床反应器中,1立方米的催化剂颗粒可以具有30,000平方米的表面积,几乎相当于一个直径为100米的球体!

属类：化学及生命科学-化工-化工原理与技术

In capillary columns, the stationary phase coats the walls of small-diameter tubes. The sample of gas or volatile liquid to be analyzed is injected into the inlet; its components move through with a carrier gas (usually hydrogen, helium, or argon)at rates influenced by their degree of interaction with the stationary phase.

在毛细圆柱中,静相包覆着小直径试管之管壁。有待分析的气体或挥发性液体的标本被注入阀中,其成分随着承载气体(通常是氢、氦或氩)而移动,其频率受到本身与静相交互作用的程度影响。

属类：化学及生命科学-化学-

Inside diameter required precision seamless steel tube for hydraulic and pneumatic cylinder use

液压和气动缸筒用精密内径无缝钢管

属类：行业标准名称-国家标准名-GB/T8713-1988