单词	chebecs
释义	同chebec
随便看	optical harmonic optical harmonic generation optical harmonic generation, frequency conversion, parametric oscillation and amplification optical haze optical head optical header detection optical heterodyne optical heterodyne detection optical heterodyne radar optical heterodyne super-wide-band fm converter optical heterodyning optical hole burning optical hologrammetry optical holography optical homodyne detection optical hybrid integration optical hydrophone optical hygrometer optical illusion optical illusion art optical illusion drawings optical image optical image input unit optical image processing optical image processing optical modulation