Less obvious but just as real, is the infrared radiation emitted by the surface, and by the air.
由地面及空气发射的红外辐射虽不如它明显，然而却同它(可见光)一样实际存在着。
NBI changes the white light normally emitted by the colonoscope to a bluish light, providing a narrower wavelength and enhancing visual contrast of the surface structure of the colon.
窄带成像技术将结肠镜常规发射的白光改变为蓝光，以此提供一个较窄的波长，加强结肠表面结构的视觉对比度。
Only about 10%-30% products will be emitted as PM into atmosphere through tailpipe, but most parts will deposit on surface of engine, exhaust system and catalytic converter.
约10％-30％的燃烧产物会以颗粒物状态随尾气排放到大气中，而其余大部分则沉积到发动机、排气系统及催化转化器的表面。
At present a large number of researches indicate that the surface of metal material while the crack forms, can be emitted massive low energy electrons.
目前大量研究表明，金属材料在裂纹形成过程中，表面会发射大量的低能电子。
Thermal radiation: Process by which energy is emitted by a warm surface.
热辐射：受热表面发射能量的过程。
The energy emitted by a hot surface at temperature t is distributed throughout the entire surrounding space.
通过在温度T热表面发射的能量分布在整个周围的空间。
A sound impulse emitted by the tool at the surface reflects tubular collar reflectors and the liquid surface.
仪器发射的声波脉冲在套管接箍和液面位置发生发射。
Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
由一个点光源发出并从曲面反射或折射的光的或关于这种光的。
Just like natural cirrus clouds, contrails block infrared radiation emitted from Earth's surface, and the increased coverage provided by contrails boosts cloud-induced warming.
就像自然的卷云一样，飞行云也会阻隔从地球表面散发出来的红外辐射，因此飞行云造成的覆盖面增加会加强云层引起的气候变暖。
The intensity and frequency distribution of the emitted rays are determined by the nature and temperature of the emitting surface;
所发射射线的强度和频率分布由发射表面的性质和温度决定；
We have studied and constructed a new detector by gas discharge and external quenching circuits to measure the low energy photoelectron emitted form the specimen surface.
研制了一种新型的探测器，利用气体放电和外部电路猝灭的方法测定样品表面发射的低能光电子。
Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
其主要内容包括光源建模、自由曲面反射器的设计和前照灯照明效果模拟三大部分。
Of or relating to light emitted from a point source and reflected or refracted from a curved surface.
其主要内容包括光源建模、自由曲面反射器的设计和前照灯照明效果模拟三大部分。
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