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This dissertation mainly discussed principal issues of the matrix converter such as realization and application. By the theoretical analysis, computer simulation and experimental investigation, some valuable experiences and significant conclusions were given, which found the technological basis for the matrix converters further practical studies.

本文的研究重点放在了矩阵变换器的应用方式的研究上，通过理论分析、计算机仿真和实验验证得出了一些有意义的经验和结论，为矩阵变换器进一步的实用化研究提供了一定的技术基础。

This thesis discusses principal issues of the matrix converter such as prime principle, control strategy, current commutation, its applications etc.

本文立论研究的目的是对矩阵式变换器基本原理、控制策略、开关换流、应用范围等基本性问题进行探索性研究工作。

This thesis discusses principal issues of the matrix converter such as prime principle, control strategy, current commutation, parameter selection and its applications etc.

本文研究的目的是对矩阵变换器基本原理、控制策略、开关换流、参数选择、应用范围等基本问题进行了探索性研究工作。

The light propagation characteristics and light spot converter principles inside a cone are studied based on the principle of total reflection of light.

提出了一种圆周型光斑模式转换器——透明玻璃圆锥体，根据光的全反射原理论证了光在该圆锥体中的传输规律和对光束光斑模式的转换原理。

The transfer function of the LLC resonant converter can be obtained by using the circuit impedance, ratio of resonant inductance, and quality factor. With proper selection of the resonant tank and modulation of the operation switching frequency, the proposed circuit can achieve zero voltage switching, stabilize the output voltage, and then reduce the switching loss.

其后级之半桥LLC谐振式转换器藉由推导电路阻抗、谐振电感比例值与品质因数得到转移函数，以及利用适当的谐振电路的设计与切换频率的调变的方式达到输出电压稳定，并且令功率开关具有零电压切换之功用，以降低功率开关的切换损失。

The internal characteristics of the torque converter were calculated from its tested external characteristics by the method of proration.

根据综合式液力变矩器外特性的试验结果，应用比例分配法对其内特性进行了计算。

The internal characteristics of the torque converter were calculated from its tested external characteristic s by the method of proration.

根据综合式液力变矩器外特性的试验结果，应用比例分配法对其内特性进行了计算。

Taking the type of 4L60ED245 torque converter-coupling for an example, the internal characteristics calculated by the suggested method were compared with those calculated by the one-dimensional theory, showing that the precision of the results calculated by the method of proration is higher, while the pressure variation trends at the inlet and exit calculated by both methods are similar.

以4L60ED245型综合式液力变矩器为实例，对内特性的计算结果与束流理论的计算结果进行了比较。结果表明：按比例分配法计算出的结果精度较高，且两种计算方法计算出的进、出口压力变化趋势相似。

These methods all can be used to solve the magnetic aberration in the conventional push-pull converter.

这两种方式均可以解决传统推挽直流变换器存在的偏磁问题。

These methods all can be used to solve the magnetic aberration hi the conventional push-pull converter.

这两种方式均可以解决传统推挽直流变换器存在的偏磁问题。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。