词汇	unbroken record
释义	unbroken record 未被打破的纪录
随便看	optical device optical device bistable optical devices Optical Device Vacuum Evaporation Equipment Optical diagnosis optical diagnostic equipment optical diagnostics optical diagnostics in rarefied flows optical diameter optical, diaphragm optical dichoism optical dichroism optical dielectric constant optical diff optical difference optical differential mode attenuation optical differential rectify optical differentiation optical diffraction optical diffraction gratings optical, diffraction grating system optical diffraction image optical diffraction velocimeter optical diffractometer optical diffusion tomography