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- It is found that the TCO can modulate REB, that the modulated beam can be converted to HPM, and that the frequency of microwave accords with theoretical ones. 模拟表明：三腔渡越时间振荡器能调制强流电子束并输出微波，微波频率符合理论设计值。
- advanced modulated beam equaliza-tion radiography 新式X线调制均衡摄影(术)
- modulated beam photolelectric system 调制光束光电系统
- modulated beam microdensitometer 调制射束显微密度计
- The suggested system consists of high frequency(HF) resonant inverter,HF transformer and HFAC pulse density modulation (PDM) converter. 该系统由高频谐振逆变器、高频变压器和高频交流脉冲密度调制变频器组成。
- This controller integrates pulse width modulation(PWM) and pulse density modulation(PDM) together,and can easily change between the two modulations. 该设计集成了脉冲宽度调制(PWM)和脉冲密度调制(PDM)两种调制方式,并可以在两者间切换。
- A novel topologic structure of high frequency AC pulse density modulation converter is proposed,and its operation principle,control scheme and design are described in detail. 提出了一种新颖的高频交流脉冲密度调制变频器的拓扑结构，并详细阐述了工作原理、控制方案和设计方法。
- Theoretical and numerical studies of density modulated whistlers 密度调制啸声的理论和数值研究
- The selection rule of the hysteresis width has been developed in order to make the THD and RMS value of the output voltage to be the best with high efficiency, according to the principle of pulse density modulation. 根据脉冲密度调制技术的原理导出了使输出电压失真度最小、有效值最大，系统效率也较高的环宽取值公式。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
- The gymnast poised herself on the balance beam. 体操运动员在平衡木上保持平衡。
- The load on that beam is more than it will bear. 那根梁上的载重超过了它所能承受的量。
