The phase difference of mass unbalance and bend of rotor will affect the size of coupling zone and the coupling vibration in two coupling zones.
质量偏心与转子弯曲的相位差会影响耦合区的大小及耦合区内的耦合振动；
Secondly, the active zone and inactive zone of microbe is selected in the article, the two-phase model is established which considered the micro and macro growth phenomena all.
然后，文章引入了活性段与非活性段的概念，将微生物生长的微观现象与宏观现象结合，建立了界面上米根霉生长的动力学模型——两相模型。
The groundwater flow in unsaturated zone is a process of the two phase flow of water and gas.
非饱和带地下水运动实质上是一个水气二相渗流过程。
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