防辐射无线电通信线路 [通信] hardened links
辐射无线电噪声 [电子] radiated radio noise
辐射无限元 radiate infinite element
无辐射跃迁 [物] radiationless transition ; non radiative transition ; nonradiative jump ; idler transition
无辐射介质 NRD
无辐射复合 [电子] nonradiative recombination ; nonradiative reaggregate
反辐射无人机 anti-radiation unmanned aerial vehicle
无意辐射体 Unintentional radiator
无辐射 No Radiation ; non-radiative ; radiationless
无源辐射器 passive radiator
辐射：由以光速运行的无质量或近无质量粒子所构成。
Radiation: composed of massless or nearly massless particles that move at the speed of light.
云量：在晴朗无云的天空，紫外线辐射水平最高。但是，即使有云层，紫外线辐射水平也可以很高。
Cloud cover: UV radiation levels are highest under cloudless skies but even with cloud cover, they can be high.
研究者发现当等离子体辐射开来，其轨迹是杂乱无章的。
The researchers found that the trajectory of plasmons became increasingly disorganized as they strayed.
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