Along the bottom of Figure 1 are the three types of submission methods, with the vertical dashed lines indicating the point in the lifecycle at which that particular method will return.
沿着图1的底部，有三种提交方法，从上到下的点线表示具体的方法返回的生命周期中的时间点。
This paper construct measure system of road safety properties evaluation and corresponding method through three levels that are respectively point, line and area.
本文从点、线、面三个层次建立了道路交通安全性能评价的指标体系与相应的评价方法。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
提出了一种基于三电平spwm调制的中点电压抑制方法，在改善输出波形质量的同时，有效的降低了IGCT过电压的危险。
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