The National Institute of Communicable Diseases (NICD) has confirmed N. meningitidis serogroup A in 7 cerebrospinal fluid specimens.
国立传染病研究所已确认在7个脑脊液标本中发现脑膜炎奈瑟菌血清组A。
Starting from N-S equations of fluid mechanics, the flow mathematical model of two-phase flow in pipe is established.
从流体力学中的N - S方程出发，建立了圆管两相分层层流的流动数学模型。
Two dimensional incompressible N S equations for non Newtonian fluid was solved by using MAC method in staggered grids.
在交错网格中，用MAC方法求解非牛顿流体的二维不可压N S方程。
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