Mortar theory assumes that asphalt mixture is a dispersed system of multilevel interspace reticulate structure.
胶浆理论认为沥青混合料是一种多级空间网状结构的分散系。
In this paper, the cascade multilevel converter based on CPS-SPWM and its application to Active Power Filter has been deeply studied in theory and practice.
本文从理论和实验两方面研究了级联型多电平变流器及CPS - SPWM控制策略在有源电力滤波器中的应用。
The paper describes the system structure, control theory and its characteristic of the advanced drive device of the multilevel configuration control technology.
介绍了当今最先进的多电平结构的传动系统的组成结构、控制原理及主要特点。
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