1)  four phase
四相的
2)  four-phase
四相
1.
In order to achieve good control effect in the research of special electronic power transformer(EPT),we employed Park transformation to implement the transfer from the double closed-loop decoupled control of three-phase to four-phase EPT s primary side.
在特种电子电力变压器的研究中,为了达到良好的控制效果,采用Park变换来实现三相变换到四相电子电力变压器高压侧的双闭环解耦控制。
3)  4-phase Separation
四相分离
1.
Study On 4-phase Separation of Drilling Fluid with High Density and High Viscosity;
高密高粘钻井液四相分离技术研究
4)  Three Dimensions and Four Phases
三维四相
1.
The Establishment of the Mathematical and Numerical Compositional Model of Three Dimensions and Four Phases;
三维四相多组分数学模型和数值模型的建立
5)  four phase system
四相体系
6)  four-phase systems
四相物系
1.
A series of multi-layer interfacial liqiud membranes(ILM), such as the doublelayer ILM in four-phase systems and the three-layer ILM in five-phase systems, were obtained by some special experiments.
经过对多层界面液膜的实验探索,获得了四相物系双层界面液膜和五相物系三层界面液膜等一系列多层界面液膜。
参考词条
补充资料:四相──大四相
【四相──大四相】
  ﹝出大乘起信论疏﹞
  大四相者,此就始终一期受报而言也。(一期者,谓从生至死也。)
  [一、生相],谓一念托胎,十月满足,此身即生,是为生相。
  [二、住相],谓既出胎已,住于世间,是为住相。
  [三、异相],谓少则颜红体润,老则发白面皱,是为异相(皱,侧救切)。
  [四、灭相],谓业尽命终,身亦坏灭,是为灭相。
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