A visible red light beam can be positioned for easy setup and target alignment.
清晰可见的红色光束可为简单的设置和目标保持一致进行定位。
Central filamentsof the dusty clouds glow with a faint reddish photoluminesence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light.
在尘埃云中心的细丝发出微弱的红色荧光，这是由于一些尘埃微粒能有效地将恒星发出的不可见紫外线转换成可见的红光。
He then set out to make a new type of semiconductor crystal that would be able to emit visible, red light.
之后他就开始着手研制一种新型的可以发出可见红光的晶态半导体。
Plants that relied at times mostly on the dim red dwarf might need light from all across the visible spectrum.
这种情况下的植物有时候会依赖昏暗的红矮星发出的大部分可见光波。
Most of the red dots in the lower right of the image have no counterparts in visible light images, and only some have been cataloged by previous infrared surveys.
照片右下角大部分的红点在可见光区没有物体与之对应，其中有一些区域在先前的红外调查中已被登记在册了。
By analysing data from a sensor that detects light in both the visible and the near-infra-red spectrum, a computer is able to determine the colour, type, shape and position of each item.
另外，内置传感器可在可视光谱与似乎红外光谱下探测到光线，计算机通过分析传感器的数据后便能够决定每个物件的颜色、类型、形状与位置。
Stars and planets form within swirling clouds of dust and gas that visible light cannot penetrate, but which infra-red radiation can.
那些漩涡状的尘埃气体云是恒星和行星诞生的摇篮，虽然可见光无法穿透其间，但是红外光却可以做到。
To reproduce a 3d image, the researchers bathe the metal-sheathed material in ordinary white light, which contains all wavelengths of visible light (including red, blue, and green).
为了再现出3d图象，研究人员令覆盖有金属层的材料沐浴在白光中，光中包含了可见光的所有波长(包括红、绿、蓝)。
Visible light, for humans, has wavelengths ranging from 400 nanometers, where the perceived colors are violet and purple, to 700 nanometers, which is deep red.
对人类来说的可见光是指波长从紫色和紫红色的400纳米至深红色的700纳米。
The cloud image is a composite of two days of imagery collected in visible light wavelengths and a third day of thermal infra-red imagery over the poles.
两天的可见光影像采集和一天的红外光极地影像采集的数据合成了云层影像。
About five light-years "tall", the dark cloud is cataloged as Barnard 33 and is visible only because its obscuring dust is silhouetted against the glowing red emission nebula IC 434.
约5光年高的暗星云编号为巴纳德33，能够被看见仅仅因为其暗尘埃在明亮的发射星云IC 434的衬托下显出轮廓。
Notably, these organometallic nanosheets luminesce in the red to near infrared region, and their electronic conductivity can be modulated by visible-light irradiation.
尤其是这些有机金属纳米片在红色到计划外区发光，而他们的电子电导率可以用可见光辐照来调整。
Soon a red streak became visible in the horizon, the waves whitened, a light played over them, and gilded their foaming crests with gold.
不久，地平线上现出了一道红色的长带，波浪渐渐变成了白色，一道亮光掠过海上面，把吐着白沫的浪尖染成了金黄色。
The water -soluble red pigments from amaranth were extracted with water. There are three colored substances in the range of visible light.
苋菜色素为水溶性色素，以水作为提取剂提取的苋菜色素，在可见光区有三种有色物质。
And even just the air in a clear sky blocks a huge range of the wavelengths of lights, pretty much only letting through visible light, anda smattering of infra-red and radio waves.
即便晴空万里光是空气就会挡住很大范围的光波波段，几乎只允许可见光、以及少数红外光和无线电波通过。
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明，C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移，并在可见光区有一定的吸收系数。
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明，C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移，并在可见光区有一定的吸收系数。
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