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单词 light source
释义

light source

英汉-汉英词典
光源
词组 | 习惯用语
您要查找的是不是:
    Light sourse 光源
    Light source spectrum 光源色谱
    Light Bounced Off Dials 光弹开表盘
    Light sources and spectrophotometry 以光源及波长频谱
    Panel light light source 面板灯
    Light sources and Illuminating engineering 光源与照明工程学
    Light Sources 光源; 莱劭思; 光源设备; 莱邵思;
light source [光] 光源
light sources 光源(light source的复数)
excitation light source [分化] 激发光源
C light source C 光源
artificial light source 人工光源;人造光源
B light source B 光源
light source driver 光源激励器
light source coupler 光源耦合器
light source condenser 光源聚光镜
standard light source 标准光源
英语例句库
  1. Additive Lamphouse: A printer lamphouse consisting of three light sources; one for each color record.
    由三个光源组成的印片机上的光源。一个光源对应一个彩色记录。
  2. Thus Euglena shows a diurnal rhythm in the speed at which it moves to a light source.
    当眼虫被放在强光下时,仍能表现出昼夜节律。
  3. In order to achieve optimum productivity, often polybromide laser beam parallel record technology, its light source cost relatively expensive.
    为了到达不宜的出产效果,不常拔取众激平束并行纪录的技艺,其平源本钱相差较矮。
  4. The intensity modulation method is the oldest and simplest method for fiber-optic sensor, in which a homochromatic laser is used as system light source.
    强度法是干涉型传感器采用的最古老、最简单的方法,它采用单色激光光源作为系统的光源
  5. Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.
    摘要激光是一种新型光源,激光与普通光相比,具有很好的单色性、方向性、相干性和高亮度以及高功率、高能量等特点。
  6. Approximately thirteen seconds before impact, the Copperhead's laser light sensor becomes active, and it uses fins to guide itself to the laser light source.
    在炮弹着地前大约13秒时铜斑蛇的激光传感器启动,利用直尾翅制导攻击激光照射目标
  7. The experiments suggest that the superfluorescence of fluoride glass fibr is a kind of low coherence and high performances light source with bright application prospect.
    实验表明利用氟化物玻璃光纤有望获得性能优异的有应用前景的低相干度集成化光源
  8. The influence of the semibreadth of light source upon the measurement accuracy of the concentration of the solution is primarily discussed and then a corresponding expression is given in this paper.
    本文对光源的半宽度在测量某种溶液浓度时对其测量精度的影响进行初步地探讨,并给出一个相应的表达式。

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原声例句
CNN 10 学生英语 2022年11月合集

Okay. So you have this concentrated light source.

好的。所以你有这个集中的光源

假如有如果

Having a convenient light source changed people's lives.

便捷的光源改变了人们的生活。

PBS趣味科普

Many light sources around us reveal secrets through the spectroscope.

我们周围的许多光源通过分光镜揭示秘密。

假如有如果

Because not a single light source had formed yet.

因为此时的宇宙还没有形成单个光源

中高级英语短文

“Real” colors are basically colors that can be produced by a physical light source.

“真实”颜色基本上是可以由物理光源产生的颜色。

传说之境

You have one shadow because our primary light source on Earth is our sun.

你只有一个影子,是因为地球上主要的光源是太阳。

TED-Ed(视频版)

Other elements, like sight lines, mirrors, and light sources describe the moment through space and position.

其他元素如视线、镜子和光源描述了当下的空间和位置。

美国商业大亨传奇

Rockefeller knows if he can frighten the public, kerosene will continue to be the dominant light source.

洛克菲勒知道 只要他能吓坏公众 煤油就能继续保持光源上的统治地位。

假如有如果

With a convenient light source, people were able to work longer which led to even more technological innovation.

有了方便的光源,人们就能够工作更久,从而带来了更多的技术革新。

学习思考

The astute among you might point out that it also matters a lot where the light source is.

你们当中的精明人士可能会指出 ,光源的位置也很重要。

中文百科

光 Light

(重定向自Light source)
太阳是地球上光的主要来源。太阳传递到地面的电磁波中,约有44%是在可见光的范围
反射
折射
光纤束

通常指的是人类眼睛可以见的电磁波(可见光谱),视知觉就是对于光的知觉。光只是电磁波谱上的某一段频谱,一般是定义为波长介于400至700奈米(nm)之间的电磁波,也就是波长比紫外线长,比红外线短的电磁波。有些数据源定义的可见光的波长范围也有不同,较窄的有介于420至680nm,较宽的有介于380至800nm。

而有些非可见光也可以被称为光,如紫外光、红外光、x光。

光既是一种高频的电磁波,又是一种由称为光子的基本粒子组成的粒子流。因此光同时具有粒子性与波动性,或者说光具有“波粒二象性”。

英语百科

Light 光

(重定向自Light source)
A triangular prism dispersing a beam of white light. The longer wavelengths (red) and the shorter wavelengths (blue) get separated.
Electromagnetic spectrum with light highlighted
An example of refraction of light. The straw appears bent, because of refraction of light as it enters liquid from air.

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is visible to the human eye and is responsible for the sense of sight. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), or 4.00 × 10 to 7.00 × 10 m, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths). This wavelength means a frequency range of roughly 430–750 terahertz (THz).

近义、反义、联想词
近义词
n.
source of illumination

英英词典
light source n.
  1. any device serving as a source of illumination

  2. synonymous: light
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更新时间:2025/6/19 11:09:46