Based on the grey correlation analytical method in the grey systematic theory, this paper has put forward a kind of new method of calculating propagation time of flow.
基于灰色系统理论中的灰色关联分析方法，提出了一种新的流量传播时间的推算方法。
Its structure and application are produced and theory of short circuit flow field is put forward.
介绍了其构造及在煤矿中的应用，提出了短路流场理论。
The fan structure is introduced, function and mechanism are analyzed and theory of short-circuit flow field is put forward.
作者介绍了其构造，对风机的作用机理进行了分析，提出了短路流场理论。
Aiming at the limits of common methods of PLM, the PLM method based on the product flow theory and product-data management is put forward with life-view management.
针对目前实现全生命周期管理常用方法的局限性，提出了基于产品流理论的生命视图管理与产品数据管理相结合的产品生命周期管理的方法。
Flow theory has been applied widely since it was put forward.
沉浸理论提出之后，得到广泛的应用。
The approaches and system structure of PLM based on the product flow theory is put forward with life-view management.
给出了以产品流为基础的生命视图管理实现PLM系统的方法与总体框架。
The theory of short circuit flow field is put forward. Based on the principle of flow field superimposition, a mathematical model is established.
提出短路流场理论，根据流场叠加原理，建立了流场数学模型。
With an aim to solve the long-term existing problem of the cracks in flow-front during thixo-forging, a new theory of constant volume flux of slurry was put forward in optimizing die design.
针对半固态成形，特别是触变锻造成形中浆料流动前沿开裂等质量问题，首次提出了流动前沿等体积流量的概念，并将其运用到半固态成形模具优化设计中。
With an aim to solve the long-term existing problem of the cracks in flow-front during thixo-forging, a new theory of constant volume flux of slurry was put forward in optimizing die design.
针对半固态成形，特别是触变锻造成形中浆料流动前沿开裂等质量问题，首次提出了流动前沿等体积流量的概念，并将其运用到半固态成形模具优化设计中。
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