门开启和关闭期间，覆盖整个门高度的几十束红外光线探测乘客和物体的门保护住装置。
Multiple infrared light beams covering the full height of the door as the opens or close detect passengers or objects.
光幕保护 Lightcurtain protection 门开启和关闭期间，覆盖整个门高度的几十束红外光线探测乘客和物体的门保护住装置。
Multiple infrared light beams covering the full height of the door as the opens or close detect passengers or objects.
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。
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.
天文学家探测到了强荧光信号，该信号来源于甲烷气体吸收附近恒星辐射而发出的光线。
Astronomers detected a bright fluorescent signal, caused by radiation from the nearby star being absorbed by methane and released as light.
暗物质既不发射也不吸收光线，因此即便是最强大的天文望远镜也无法直接探测到它。
It doesn't emit or reflect any light, so the most powerful telescopes have no hope of spying it directly.
在特定点上，纤维可以向内反射光线，当光线沿纤维传输时，部分会反射到探测器上。
The fiber is internally reflective at specific points, so that when light is sent along the fiber, some of it bounces back to a detector.
月球探测器上的激光高度计(LOLA)的工作原理为：发射一束激光脉冲，利用光学镜片将其分为五道光线，当光线到达月球表面后会自动反射至激光高度计上。
The lunar Orbiter laser Altimeter (LOLA) works by sending a laser pulse through an optical lense that splits it into five beams that are each scattered back after they strike the lunar surface.
望远镜跨越距离；显微镜消弭尺寸的限制；还有其他一些工具能够探测到视野之外的声音或光线。
Telescopes cross distance; microscopes, size; other tools detect sounds beyond hearing or light beyond sight.
美国研究人员已经造出一种能够探测到照在表面光线波长和方向的智能织物。
US researchers have made smart fabric that can detect the wavelength and direction of light falling on it.
印度第一艘月球探测器“月船一号”(Chandrayaan - 1)上的科学家探测月球反射的太阳光线并进行分析时获得了这一最新发现。
The latest discovery came when scientists analysed sunlight glancing off the moon's surface with detectors aboard the Chandrayaan-1 probe, India's first mission to observe the moon.
通过测量光线从光合作用细胞反射后遗留下来的光子标记，天文学家们可能很快就能拥有一种新的探测外星生命的工具了。
By measuring the photon signatures left when light bounces off photosynthesizing cells, astronomers may soon have a new tool for detecting extraterrestrial organisms.
该望远镜的设计是为了探测伽马射线，伽马射线是最高能量形式的光线。
The telescopes are designed to detect gamma rays, the most energetic form of light.
自2004年以来一直在研究土星的美国宇航局卡西尼号探测器检测到了闪烁在土星极地的光线。
The flickering lights at the planet's poles were detected by Nasa's Cassini spacecraft, which has been studying Saturn since 2004.
控制系统采用紫外线传感器和光敏电阻组成对太阳光线的探测器，实现了太阳电池组件对太阳的跟踪。
In its control system, the ultraviolet radiation sensor and photoresistor are used to form a detector to track the sun with solar energy modules.
因为只有极小部分的光线能够反射出涂层，因此肉眼和灵敏的探测仪所观察到的这种材料依旧是黑色的。
Because only a small fraction of light reflects off the coating, the human eye and sensitive detectors see the material as black.
光栅仍然会使得稍后会在面阵CCD探测器上聚焦的光线分散。
Again, the grating disperses the light, which is then focused onto the CCD-array detector.
传统被动红外探测器容易受到环境温度，环境光线强度影响，误报率高。
The origin passive infrared detectors is easily jammed by factors such as environmental temperature and environmental light intensity.
利用测量光线的多次反射和组合透镜的方法使测量系统的分辨率相对于用探测器直接探测分辨率提高了8倍。
The sensitivity of the straightness measurement can be improved by a factor of 8 compared with the movement of the detector itself via using multi-reflection and combination lenses.
提出一种眼镜度数测量方法，利用位置探测器和3条光线实现对棱镜度、球镜度和散光度等镜片参数的测量。
A position detector and 3 beams of ray are used to measure the prismatic, spherical and astigmatic powers.
结果表明：在不考虑激光线宽及消相碰撞时，探测场的吸收随时间在零吸收附近作类似于阻尼减幅振荡，系统可实现无反转放大；
It is shown that the time-dependent probe absorption is oscillatorily damped to its steady state and transient amplification without inversion can be realized;
热成像传感器可以提供清晰，详细的热成像并且可以在任何光线下对周边和户外环境进行入侵探测。
Thermal SightSensors provide clear, detailed thermal images and can detect intrusions across site perimeters, enclaves, and outdoor areas in any light.
这些光阑将会限制到达探测器的光线的总量。
These apertures restrict the amount of light that can reach the detector.
在光线泄漏区，传感光纤包层模式功率随着液体参量的改变而改变，从而锥形光纤探头探测到的输出功率也随之改变。
In the leaky ray zone coat mode power changes with liquid parameters, so output power of the tapered optical fiber detector changes too.
暗物质是一种人类不能直接观察到的物质，因为它既不反射也不释放光线或放射线——至少，我们现有的探测器无法观测到它。
Dark matter is the term for matter which cannot be detected directly, because it does not emit or reflect light or radiation - or, at least, not enough to be detected by our present sensors.
光栅仍然会使得稍后会在面阵CCD探测器上聚焦的光线分散。
The grating spectrally disperses the light, which is then focused onto the CCD-array detector.
光栅仍然会使得稍后会在面阵CCD探测器上聚焦的光线分散。
The grating spectrally disperses the light, which is then focused onto the CCD-array detector.
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