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来源:雅诚德英语网
Those lasers produce one wavelength of light that doesn't stop unless the power is cut.
这些激光器产生一个具有波长的光,它不会停止,除非电源被切断。
Those lasers produce one wavelength of light that doesn't stop unless the power is cut.
这些激光器产生一个具有波长的光,它不会停止,除非电源被切断。