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The result shows that the dynamic yielding strength of metal is 1~1000 times higher than its static yielding strength during the course of high pressure high velocity and instantaneous plastic deformation.

这种塑性变形与常规压力加工咖轧制）过程中金属的塑性变形在形式和形状上相似。

The process of voltage establish of instantaneous torque control induction generation system is investigated.

深入研究了瞬时转矩控制的异步发电系统的建压过程，分析了建压过程的影响因素。

In the instantaneous voltage applied to the appliance exceeding 105 percent of the peak value of the specified test voltage.

施加测试电压时，应使得施加到器具的瞬态电压不超过规定测试电压峰值的105%。

To improve high voltage performance, both mean voltage and instantaneous voltage dual-loop control of is used in this paper, with duty-cycle feed-forward control.

为了改善输出电压的波形质量，该文采用了输出占空比前馈，并结合输出电压的平均值和瞬时值的双环控制方案。

It is due to PID controller parameters are not designed well. The design method of inverter instantaneous voltage PID controller based on pole-assignment is proposed for the first time in this paper.

针对逆变器电压单环PID控制系统性能不很理想的原因进行了分析，指出其原因是PID控制器参数设计方法欠佳。

The pulse train is predetermined to maintain the instantaneous voltage at the system bus above a predetermined lower limit.

对该脉冲序列预先设定以便保持系统总线的瞬时电压高于预定的下限。

The instantaneous voltage inner loop is used to control output voltage waveform to track a sinusoidal waveform.

在逆变器控制策略上采用电压瞬时值内环和平均值外环的双环控制方法。并用TMS320LF2407实现数字控制。

To control the output waveform, the mathematic model of three-level inverter is set up. The output voltage instantaneous value control system is employed to obtain high quality output waveform.

为了对输出电压的波形进行控制，该文建立了三电平逆变器的数学模型，使用输出电压瞬时值控制系统来获得高质量的输出电压波形。

A new way to detect the dq transformation of single-phase instantaneous voltage does not good enough in real-time applicability.

由此可见研究电压暂降非常必要。1电压暂降的基本概念、原因及危害1.1基本概念电网中

This paper presents a feed forward and double-loop control technology of inverter,its double-loop control including a capacitor current inner loop control and instantaneous voltage outer loop control.

高质量的输出有两方面的指标要求：稳态精度高和动态响应快，即要求逆变器的控制系统具有很好的静态和动态特性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。