The presence of dark energy has been independently backed up by measurements of the cosmic microwave background, the radiation left over from the big bang.
对宇宙微波背景，也就是宇宙大爆炸后散布于宇宙空间的微波辐射的测量已经证实了暗能量的存在。
When the system is operating, the microwave chamber is substantially closed to emission of microwave energy and ultraviolet radiation.
在该系统运行时，该微波室对于微波能量以及紫外辐射的发射基本封闭。
The metal photonic band gap structure has potentialities in the areas of high-energy accelerators, microwave vacuum electron devices, and terahertz radiation sources etc.
金属光子带隙结构在高能加速器、微波真空电子器件和太赫兹波源等方面具有重要的应用前景。
The pore structure and surface functional group of activated carbon are significantly changed by microwave radiation. The activation energy is reduced as a result of induced catalysis.
微波照射活性炭后，其孔隙结构和表面官能团发生明显变化，同时存在诱导催化，可降低反应活化能。
Crude dehydration by microwave radiation has the advantages of high speed, high efficiency and energy saving. So it has a wide prospect of commercial application.
原油脱水采用微波辐射法有高效、快速、节能的优点，可望工业应用。
Crude dehydration by microwave radiation has the advantages of high speed, high efficiency and energy saving. So it has a wide prospect of commercial application.
原油脱水采用微波辐射法有高效、快速、节能的优点，可望工业应用。
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