双光栅频移
Two-gratings frequency shifting
双光栅并联匹配
Dual gratings parallel matched
双光栅结构
double-grating arrangement
双光栅成像
bi-grating imaging
bi-grating imaging effect
双光栅辅助定向耦合器
dual grating-assisted directional coupler
双光栅正弦相位调制
Two-grating sinusoidal phase modulation
双布拉格光纤光栅
dual Fiber Bragg Grating FBG
双光栅单色仪
double grating monochromator
双光栅摄谱仪
dual-grating spectrograph
dual-grating spectrography
双包层光纤光栅
double-cladded fiber Bragg gratings
double-clad fiber grating
双光束光栅分光光度计
double-beam grating spectrophotometer
全息光栅双单色仪
Holographic Grating double-monochromator
微机控制光栅双单色仪
microcomputer-controlled grating double monochromator