Micro powder injection molding is becoming hot spot rapidly because of its broad marketplace prospect, but as the flow mechanism is not still clear, it leads to the instability of product quality.
粉末微注射成型由于其市场前景广阔而迅速成为当今的研究热点，但由于其流动机理尚不明朗导致产品质量不稳定。
The theories of bifurcation and catastrophe in nonlinear science are used to study the dynamic mechanism of instability of gas flow in broken rock.
采用非线性分岔及突变理论研究破碎岩体中气体渗流失稳的动力学机制。
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