three-quarter track

Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.

并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。

The United States won most of the track and field events. Similarly, in swimming, the top three places went to Americans.

美国队赢得了田径比赛大多数项目的胜利。同样，在游泳方面，美国人也囊括了前三名。

Firstly compared with the transfer theory, we know the correctness of Monte Carlo simulation in this paper. And then plot the photon track from the perspective of two-dimensional and three-dimensional image. Discuss the relationship between g factor and the loss energy from tissue surface.

首先通过与传输理论对比得出了本文蒙特卡罗方法模拟的正确性，然后分别从二维和三维视角形象地给出光子在组织内部的运动轨迹，讨论各项异性因子与上下表面损失的能量的关系。

Experimental study on stress and deformation of a R.C.DOUBLE track railway through girder bridge under the action of three-dimensionally prestressed force

三向预应力作用下双线铁路槽型梁应力变形状态试验研究

The three dimension track of circumnutation in sunflower seedlings

向日葵幼苗环旋运动的三维轨迹