1) double gratings
双光栅
1.
Velocity measurement by Doppler shift of double gratings;
利用双光栅的多普勒频移测速度
2.
The coupling efficiency of single beam of such double gratings combination system is determined by the single pass coupling cavity efficiency and diffractive efficiency of grating.
这种双光栅非相干组束系统的单光束耦合效率是单程耦合腔效率和光栅衍射效率的合成,通过理论分析和数值计算,结果表明在设定的组束参数下双光栅非相干组束系统的单光束耦合效率可以达到75。
3.
In the experiment of measuring of tiny displacement with double gratings,the amplitude of the resultant light signal changes,forming a sine envelope,which is inconsistent with the theory.
在用双光栅法测微小位移的实验中,光拍信号出现与理论不符的包络。
2) double grating scale
双光栅尺
1.
A high speed and high precision displacement measurement method using double grating scales;
基于双光栅尺的高速高精度位移测量方法
3) two-frequency grating
双频光栅
1.
The real-time measurement by two-frequency grating;
关于双频光栅对物体实时测量的研究
2.
Li and Yasuyuki successively proposed two different two-frequency gratings used for three-dimensional surface profilometry.
Li和Yasuyuki先后提出了两种应用于三维面形测量的双频光栅剖面术,这两种双频光栅均是将两种不同频率的条纹模式复合在同一个光栅上,但光栅复用的原理并不相同。
4) multi-axis FBG
双轴光栅
1.
And the application of multi-axis FBGs in 3D-strain measurement,transverse load measurement and beat length measurement of birefringent fibers is introduced.
简要介绍和分析了保偏光纤及双轴光栅的性质,研究了双轴光栅用作传感器的基本原理,介绍了它在三维应变测量、横向负载测量及双折射光纤拍长测量方面的应用。
5) TwoRonchigratings
双Ronchi光栅
6) dual overwritten grating
双重光栅
补充资料：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条