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- Do you think you could move your car back ward a bit? 你能把你的车向后移一下吗?
- Mary read the letter and almost fell back wards, reeling from shock. 玛丽读完信，由于震惊她站立不稳，几乎向后倒了下去。
- Especially the patient of infecund retroversion of uterine tilting back ward after a few marriage, use an uterus suspensory art, conduce to be pregnant. 特别是一些婚后不孕的子宫后倾后屈患者，采用子宫悬吊术，有助于怀孕。
- Back ward science &technology, laggard education, shortage of talents, lower qualities of labor force for the main factors which check the fast development of economy hi Aba prefecture. 教育落后、科技落后、人才缺乏、劳动力素质低下是制约阿坝州经济社会快速发展的沉重坠力。
- In this dissertation, we made theoretical study on three important aspects in detail, i.e., RF characteristics of helix Slow Wave Structure (SWS), the suppression of Backward Wave Oscillation (BWO) and self-consistent nonlinear beam-wave interaction. 本论文对螺旋线行波管的三个重要物理问题:螺旋线慢波系统的高频特性、返波振荡的抑制和自洽非线性注波互作用,进行深入而细致的研究。 本论文的主要研究工作和创新之处在于:
- FemaleBecause anatomize,arise a fewFemalePeculiar disease, be like uterine body phlogistic, accessory tumour of prolapse of tilting back ward of phlogistic, uterus, uterus, pelvic cavity. 女性由于解剖及生理特点而产生一些女性特有的疾病，如子宫体炎、附件炎、子宫后倾、子宫脱垂、盆腔肿瘤等。
- Mary read the letter and almost fell back wards,reeling from shock. 玛丽读完信，由于震惊她站立不稳，几乎向后倒了下去。
- sawtooth wave oscillation circuit 锯齿波振荡电路
- 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 .
- Experimental studies of relativistic backward wave oscillator(BWO) with a resonant reflector are presented. 阐述了带有反射腔的相对论返波管的初步实验研究进展。
- Abstract: This paper presents a terahertz (THz) wave reflection imaging system based on Backward Wave Oscillator (BWO). 中文摘要: 返波振荡器(BWO)作为一种新型高功率连续太赫兹源，具有广泛的应用前景。
- Welding back ward deformation control of inlet and outlet nipples 表冷器进出水管接头焊接反变形
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- Particle simulation and experimental study of subnanosecond millimeter wave backward wave oscillator[J]. 引用该论文 陈洪斌;胡林林;马国武;孟凡宝;周传明.
- Abstract: The resonant cavity reflector has been used in the backward wave oscillators for producing multi-gigawatt power and operating at low magnetic field. 摘要： 利用模式匹配方法对“冷”谐振腔反射器的反射特性进行了理论分析，推导出了谐振腔反射器的广义散射矩阵。
- This paper describes a quartz crystal that is used to produce bulk wave oscillating in the thickness-shear mode, utilizing the dual-channel to detect the frequency shift. 文章阐述了利用石英晶体产生体波厚度剪切振动模式，分析了由双通道系统进行频率变化测定的方法。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
