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The presentpaper proposed one kind of numerical control single-phase inversionstructure, in detail elaborated the system parameter design, therectification work basic principle of work, the contravariant basicprinciple and the SPWM sine pulse width modulation.

本论文提出了一种数字控制的单相逆变器结构，详细论述了系统的参数设计，整流工作的基本工作原理，逆变的基本原理及SPWM正弦脉冲宽度调制。

Onlyadjusting outside resistance and the capacitance value, not only it may obtain the contravariant frequency which we need, moreover it may adjust the dead time, like this wemay realize to adjust the pulse width neatly.

调节外接电阻和电容值，不但可以获得所需的逆变频率，而且可以调节死区时间，这样可以实现对脉宽、周期的灵活调节。

We use integrated chip TL494 are the master control chips, by the MOSFET tube constitution inversion electric circuit, has realized the contravariant system's pulse-duration modulation.

我们采用集成芯片TL494为主控芯片，以MOSFET管构成逆变电路，实现了逆变系统的脉宽调制。

A colliding pulse mode-locked unstable resonator Nd: YAG laser is designed, which consists of an antiresonant ring and a convex mirror.

设计由抗共振环和凸面反射镜组成的对撞脉冲锁模非稳腔Nd：YAG激光器。

Suddenly, he starts to convulse and his pulse goes into hyperdrive

突然他开始痉挛，他的脉搏也开始加速

A balanced dialogue between traditional and contemporary tendencies that calls to mind the metropolitan pulse and the Cordillera strength and immortality.

这是传统与现代的对话，唤起现代大都市人的思绪与高迪丽娜山脉的力量和不朽之间的交流。

Certain effect of products′ collection is obtained in the process of SO2 removal by pulse corona discharge.

通过对实验结果的分析，探讨了脱硫和产物回收相结合的可行性。

In this dissertation, the applied research in decomposition VOCs by pulse corona discharge plasma is discussed primarily.

在本文中主要讨论了脉冲电晕放电低温等离子体处理挥发性有机化合物VOCs的应用研究。

Pulse corona induced plasma discharge process is regarded as a promising technology to control these Pollutants.

脉冲放电等离子体法被认为是一种很有前途的治理有害废气的新技术。

The calculated results reveal that the turbulent mixing coefficient of particles increased by pulse corona discharge and 4 times that of D.

计算结果表明，脉冲放电加大了粒子的紊流掺混系数，是直流电晕的4倍左右，使粒子的静电收集效率降低。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。