词汇	echelle spectroscope
释义	echelle spectroscope 中阶梯光栅分光镜
随便看	long wave fluctuation long wave FM radio telephone long-wave formula Longwave infrared Long Wave Infrared long-wave infrared long-wave infrared afocal zoom telescope longwave infraredlwir Long Wave Infrared Probe long wave infrared radiation long wave infrared region long-wave instability long-wave irregular data long wave irregularity long wavelengh IR vidicon long wavelength pass filter long wavelength pass optical filter long wavelength-pass optical filter long wavelength photodetector long wavelength radiation long-wavelength radiation long wavelength region long-wavelength region long wavelength residual statics long wavelength