日盲紫外可见光双光谱照相机
solar blind ultraviolet and visible dual-spectral
双面光刻
double-side photolithography
double-side lithography
double-sided lithography
double-faced lithography
dual surface lithography
photograph in dual layer
双面光配向
Double-side Photoalignment Technique
双面双弧
double side double arc welding
双面双密度软磁盘
double side & double density floppy disk
地球化学剖面光谱曲线
geochemical profile spectral curve
横剖面面积曲线
section area curve
sectional area coefficient curve
prismatic curve
阶梯折射率剖面光波导
step graded index lightguide
抛物线折射率剖面光纤维
parabolic index optical fiber
parabolically graded optical fiber