The equations of motion about flow through very low permeability porous media are established. A critical condition has been modeled to describe low velocity non-Darcy flow in porous media.
建立了特低渗透储层流体渗流的运动方程，确定了低速非达西渗流的临界条件。
参考来源 - 低渗透油藏渗流机理及开发技术研究Finally, analysis the movement effect of before and after establishing the left-turn waiting area. and prove the critical condition with example. Chapter Five Fistly, it is designed the detector layout plan according the traffic flow characteristics.
第四章根据累计曲线与交通波相结合的方法建立了左弯待转区的左转排队长度模型,分析了各参数对排队长度的影响,最后得出了设置左弯待转区的几何、流量以及信号配时临界条件,并对其运行效果进行分析。
参考来源 - 信号交叉口左转交通流组织中的临界问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
He remains in a critical condition in a California hospital.
他在加利福尼亚的一家医院里，仍处于危急的状况。
He remained in a critical condition after suffering heart failure.
他患心力衰竭之后一直处于危险状况。
Ten of the injured are said to be in critical condition.
据说伤者中有十人情况危急。
But she remained in critical condition.
VOA: special.2011.01.12
President Obama says the big banks that were in critical condition a year ago do not need any new government help.
VOA: standard.2009.10.21
Some of the injured, who are in critical condition are being treated in a hospital.
VOA: standard.2009.10.05
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