Virtualization of the entity lifecycle through Object Flow Diagrams, a basic model that captures both events and state transitions, is critical in this model.
使用对象流图(它是捕获事件和状态转换的基础模型)虚拟化实体生命周期是这个模型的关键。
Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow.
模型是建立在压力能量消耗率最小的原理上的，其基本原理是：在气-液两相流的流型中，环状流具有相当稳定的流动状态。
When the motion of the basic state is the shear flow (or the differential rotation), this property means that the unstable waves would evolve automatically into the quasi-stationary stage.
当基态运动为剪切流(或较差旋转)时，这一性质将使不稳定波自动演化到准稳阶段。
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