Instead, a single wavelength can be selected to produce the X-ray equivalent of a pure-colour beam of light.
事实上单独某一个波长的射线就可以产生好象一束单色光一样的纯净的伦琴射线。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
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