1) Back wave.,backward wave
返波，反问波。
2) Backward wave
返波
1.
Using two wave theory the start oscillation currents of backward wave oscillations(BWO) with three kinds of typical practical non homogeneous output circuits are analyzed and some corresponding conclusions are made.
本文利用二波理论对三种典型实用的非均匀输出线路的返波起振电流进行了研究并得出相应结论 。
3) round travelling time of reflection wave
反射波往返时
1.
Based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave method to the quantitative determination of apparent reflection coefficients and the round travelling time of reflection wave.
从纵波传播过程的反射和透射的基本原理出发，介绍了反射波法桩身完整性检测数据在频率域中定量确定视反射系数和反射波往返时间的一种新的理论和方法。
4) wave motion inverse problem
波动反问题
6) BWO
返波管
1.
The 2mm-band microwave scanning heterodyne radiometer (MSR) in the HL-1M tokamak was upgraded by changing the BWO and upgrading the high voltage power supply and control system.
通过替换 2mm扫频外差接收机 (MSR)中老化的返波管 ,改进了MSR的高压电源和控制系统 ,研制了用于MSR的高增益、宽频带、低噪声中频放大器。
补充资料：阿波波地狱
【阿波波地狱】
梵语阿波波，或云唬唬婆（无翻），谓受罪众生，寒苦增极，舌不能动，唯于唇间作此声也。
梵语阿波波，或云唬唬婆（无翻），谓受罪众生，寒苦增极，舌不能动，唯于唇间作此声也。
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