您要查找的是不是：
- The quantitative relation model was established between the fundamental or sum frequency and properties of straight chain alkanes. 在此基础上建立了直链烷烃的物化性能与基频和总频之间的定量相关模型.
- According to Sellmeier's equations for BBO crystal,the relationship of phase matching angle of generating the sum frequency effect to wavelength is theoreti-cally calculated. 根据BBo晶体Sellmeier方程确定的折射率，计算了在钛宝石激光可调谐波段的和频相位匹配角。
- A novel all-optical wavelength conversion (AOWC) based on the cascaded sum frequency generation (SFG) and difference frequency generation (DFG) in LiNbO?3 waveguides have been theoretically studied. 对基于级联和频差频非线性效应铌酸锂光波导新型全光波长转换器进行了理论研究。
- The UV pump radiation was obtained through a sum frequency process of the fundamental and the second harmonic of a CW mode locked Nd: YLF laser, where a novel wald off compensation scheme was adopted. 紫外泵浦光由连续波锁模Nd:YLF激光器输出的1053nm基频光与5265nm二倍频光经和频过程得到,和频过程采用了走离补偿新方案。
- Incision Quality Checking of Double Frequency Crystal KTP by a Passively Q-Switched Laser Extra Cavity Double Frequency 用被动调Q激光器腔外倍频检验KTP的切割质量
- Recently, SFG (sum frequency generation vibrational spectroscopy) has been developed into a powerful technique to probe in-situ surface composition and orientation information at submolecular level. 近年来发展起来的和频振动光谱(SFG)能在准单分子层水平上原位研究聚合物表面的基团及其取向等信息，被认为是表征聚合物界面结构的最佳技术手段之一。
- A novel all-optical wavelength conversion (AOWC) based on the cascaded sum frequency generation (SFG) and difference frequency generation (DFG) in LiNbO3 waveguides have been theoretically studied. 对基于级联和频差频非线性效应铌酸锂光波导新型全光波长转换器进行了理论研究。
- self sum frequency laser crystal 自混频激光晶体
- My extra earnings came in very handy. 我的额外收入可备我不时之需。
- This extra strong glue should do the job nicely. 这种超强度胶应该管用。
- She decided to rent out a room to get extra income. 她为获得额外收入决定租出一个房间。
- I had to spend a large sum of money to get it back. 我得花一大笔钱才把它弄回来。
- She's always saddling extra duties on me. 她总是把额外责任加到我身上。
- They clubbed together a large sum. 他们集资到一大笔款子。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- Please sum up what you said just now. 请把你刚才说的总结一下。
- He paid the extra cost without a murmur. 他付了额外的费用而毫无怨言。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- The clerks figures up the sum on a computer. 办事员用计算机算出总教。
- The Analysis of the Optical Design for Extra Cavity Frequency-Doubled Laser Based on the Optical Rotatory Dispersion Effect 用于外腔倍频激光的旋光滤波设计与分析
