In a hundredth of a second, light travels 3,000 kilometers.

  • 在百分之一秒的时间里,光传播了3000千米。
  • 来源:互联网更新时间:2025-03-18 08:32:32

  • 重点词汇
  • travelsn.旅途, (非正式)旅行笔记,游记;旅行( travel的名词复数 );移动;游历;[机械工程]机械运动(尤指往复运动);
  • hundredthnum.第100个;百分之一;第一百号;第一百个;
  • seconddet. 第二(的);另外的;
  • ofprep. 关于;属于…的;由…制成;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • kilometersn.<美>千米,公里( kilometer的名词复数 );
  • 3 three;
  • lightn.光;发光体;点火物;眼光;亮色;窗;
  • aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
  • 相关例句
1、

A year later, they successfully fused two atomic nuclei from these elements, creating their first nucleus of Element 113, but it decayed in less than a thousandth of a second.

一年后,他们成功地让两个元素的原子核聚变,创造出了他们的首个113号元素原子核,但过了不到千分之一秒,它就衰变了。

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2、

The idea was based on the fact that the time taken for a sound wave to travel along a few feet of pipe was of the order of a thousandth of a second.

这个方案的原理是,声波穿过一条几英尺的管道,大约需要千分之一秒的时间。

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3、

So you could actually draw out a 36000-kilometer strand or ribbon of nanotubes stronger than steel, but maybe a thousandth the thickness of a human hair.

所以,你真的能够拉出一条三万六千公里长的纳米管线,或者纳米管带,其强度比钢铁要高,但其厚度可能只是人类头发的千分之一。

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4、

Most of the fog is made of particles a little smaller than a thousandth of an inch wide, with an occasional larger particle settling out and falling toward the surface.

火星雾的绝大部分是由一个个微粒组成,而这些微粒的直径小于一英寸宽的一千分之一;偶尔会有稍大一些颗粒沉降出来,坠向火星表面。

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5、

She could not write, because she could not attain to expressing truly in a letter a thousandth part of what she habitually expressed in voice and smile and eyes.

她不擅长于写信,因为她不能在信中真实地表达她惯于用那语声、微笑和眼神所表达的千分之一的情感。

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6、

Therefore, though the dust concentration is very low ( a few thousandth), its effects on lots of plasma processes cannot be neglected.

所以,尽管在等离子体加工中,尘粒的含量很低,可能只有千分之几,但其影响却不容忽视。

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7、

One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. The hall is 15 metres in length and 8 in width.

一微米等于千分之一毫米。针头直径大约一毫米。这个大厅直里有十五米,横里有八米。

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8、

The startling images confirm that the DNA origami process efficiently produced Escher-like M ö bius strips measuring less than a thousandth the width of a human hair.

令人吃惊的图像证实了DNA折纸过程中有效地产生埃舍尔式的莫比乌斯带测量超过千分之一的人类头发的宽度减少。

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9、

One micron is a thousandth of a millimeter: a pinhead is about a millimeter across.

一微米等于千分之一毫米。针头直径大约一毫米。

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10、

Consisting of a thousandth. Indicates whether thousands separator will be inserted between every three decimal digits.

千分的构成千分之一的表示每三位数是否应加入千位分隔符号。

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12、

What you see here, the blue areas are about a thousandth of a degree cooler than the red areas.

你现在看到的蓝色的区域相比于红色的区域要冷上大约一千度。

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14、

A unit of length equal to one thousandth ( 10-3) of a millimeter or one millionth ( 10-6) of a meter.

微米等于千分之一(10-3)毫米的长度单位或一米的百万分之一(10-6)

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15、

All of space expanded by an unbelievably large factor in a fraction of a second, we think that in less than a millionth of a millionth of a millionth of a millionth of a second.

扩张的空间被一种难以想象的巨大因素牵引着。这一瞬间比万万万万亿分之一秒还短。

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16、

The beam runs diagonally across the photo ( above); it measures 10 microns long and 300 nanometers wide. ( a micron is one millionth of a meter.)

硅束长10微米(1微米为百万分之一米)宽300纳米,以对角线方式扫过照片(如上图)。

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17、

It's accurate to within one ten-thousandth of 1%, but Amazon engineers are scrambling to improve it to a millionth of 1% ahead of its launch, the source said.

据消息人士透露,这一系统已精准到出错率不到百万分之一,但亚马逊的工程师们正努力在正式推出之前,将出错率降至亿分之一。

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18、

The point was that electronic valves could respond in a millionth of a second, there being no moving parts but the electrons themselves, while the electromagnetic relay had to make a physical click.

电子管的反应时间只有0.000001秒,与电磁继电器不同的是,它本身并不发生物理上的移动,而是其中的电子在移动。

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19、

The entire observable universe was a millionth of a billionth of a centimeter across at that time. Everything was compressed into an incredibly hot, dense region.

在那时整个可观测到的宇宙也不过只有千万亿分之一毫米大。一切都被压缩在一个温度极高,密度极大的区域里。

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20、

Quantum mechanics, on the other hand, deals with phenomena on extremely small scales, such as a millionth of a millionth of an inch.

另一方面,量子力学解决的问题是极小尺度里的现象,例如万亿亿分之一英寸。

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