n.(名词)

1. 直径
2. 径，对径
3. 放大倍数，透镜放大的倍数，放大率
4. 横断面

n.(名词)

1. [C]直径 straight line connecting the center of a circle or sphere
2. [C]放大率 a measurement of how many times bigger an object looks, when seen through a microscope

Noun:

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

2. 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)

1.直径;对径
Thediameter of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.

diameter的解释

e.g. ...a tube less than a fifth of thediameter of a human hair.
直径不足人的头发直径1/5的电子管
e.g. ...a length of 22-mmdiameter steel pipe.
一段直径为 22 毫米的钢管

1. diameter

1. 孔径：均需要透过黄光显影与蚀刻步骤形成Via,目前则以深反应离子蚀刻(Deep Reactive Ion Etching;DRIE)技术为主,Via孔径(diameter)多在20μm以下,受限目前技术孔径 ...3-3 后制程步骤与结果 依据MEMS元件在CMOS标准制程中制作的先后顺 序分类,

2.

2.diameter：dia; 直径其它品质术语类

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

这树干的直径大约是2米。

We must gauge the diameter of wire first.

我们必须先测量电线的直径。

The axis of a circle is its diameter.

圆的轴线是其直径。

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。

a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)

放大 300 倍的透镜

...a tube less than a fifth of the diameter of a human hair.

直径不足人的头发直径1/5的电子管

...a length of 22-mm diameter steel pipe.

一段直径为 22 毫米的钢管

Because the spacesuit protection only 1 mm in diameter, about the impact of space debris.

因为航天服只能防护直径在1毫米左右的空间碎片撞击.

MAIN BEARING JOURNAL diameter ( CRANKSHAFT REMOVED )

主轴承颈部直径 ( 曲轴已卸去 )

Large diameter drilling piles have been extensively used in foundation engineering.

大直径钻孔灌注桩在基础工程中的应用非常广泛.

It's grinding, parabolic, research disk diameter than the domestic similar products.

该机的磨 、 抛 、 研盘直径均大于国内同类产品.

The process of hydrostatic pressure experiment also has diameter deroppilation.

在静水压实验工序中还包括有通径.

It is also suitable for carbon arc gouging using up to 10 mm diameter carbon electrodes.

即使使用直径高达10毫米的碳棒进行碳弧气刨,这款焊接电源也能应对自如.

We made the Czochralski silicon single crystal with a diameter of 12 inches.

直径12英寸直拉单晶硅研制成功.

Axial pullout of the screws is determined by the diameter of the screw.

螺钉的轴向拔出力由螺钉外径决定.

Only l .22 meters in diameter.

直径只有1.22米.

The length of the flagella is about 1.5 times as the cell diameter.

两条鞭毛稍不等长,着生于细胞前端,鞭毛长约为细胞直径的1.倍.

A printing plate and diameter varies by Rotary cylinder is connected to a variety of sizes.

印版与直径各不不异反转展转圆筒拆开以获百般尺寸图案.

Construction expense and operation cost of brine transportation pipeline is of certain functional relation with diameter.

输卤管道的建设费用、运行成本,与管径存在一定的函数关系.

The axis of a circle is its diameter.

圆的轴线是其直径.

The scientists track the speed of growth through tree diameter.

科学家们通过树木的直径来描绘它们的生长速度.

For the nuclear diameter we have used 18 fm.

我们用18fm作为原子核的直径.

The elimination of measures: the right to the manufacturers Advisory impeller diameter.

消除措施: 向厂家咨询正确的叶轮直径.

Pellet diameter and its distribution are the most important index of pellet quality.

球团粒径及其分布是衡量球团矿质量的重要指标.

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

它是直径约2厘米的不锈钢管.

A paraboloid grid shell with a diameter of 40 m is used for the parameter study.

索撑网壳是一种新型的空间结构形式,主要应用于大跨度玻璃采光顶结构中.

These cysts are rarely more than a few centimeters in diameter.

这些囊肿的直径一般不大于几厘米.

Screw of big length to diameter ratio, uniform plasticization and high plasticizing capability.

大长径比螺杆 、 塑化均匀、塑化能力特高.

The process a diameter of 100 nanometers a length of up to 30 microns.

这种工艺做出的纳米电极直径为100纳米,长度为30微米.

The circle has a diameter of 6 inches.

这个圆直径六英寸.

The diameter and the circumference of a circle correlate.

圆的直径与圆周有相互关系.

A diameter passes through the center of a circle.

直径从圆心穿过.

1. The circle has a diameter of 6 inches.
   这个圆直径六英寸。
2. This microscope magnifies 20 diameters.
   这台显微镜能放大20倍。

形容词+～

• diameter">inside diameter内径
• diameter">outside diameter外径

介词+～

• diameter">be 100 inches in diameter直径为100英寸

• The castor of a bed-leg, magnified to roughly 118 diameters.

  出自：F. O

• ☆ 14世纪晚期进入英语，直接源自拉丁语的diametros，意为穿过圆的长度。