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 总截面 添加此单词到默认生词本
bulk cross-section
total cross section
gross section

  1. 摘要对一种蛇形进气道开展了地面工作状态下的抽吸试验研究,结果表明,在该状态下进气道出口截面压恢复系数较低、流场畸变较大。
    Experimental results of the air pumping of a serpentine inlet under ground running show that the total pressure recovery at the exit is low and the distortion at the exit is large.
  2. 研究结果表明:(1)地面工作状态下,随着出口马赫数的增加,蛇形进气道出口截面压恢复系数不断下降,而稳态周向畸变指数、紊流度和综合畸变指数均上升,稳态径向畸变指数变化不大。
    The results prove that: (1) When the Mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase.
  3. 摘要运用稳恒条件和动量守恒定律说明了稳恒电路中,穿过任意横截面的全部载流子的定向运动动量在数值上是守恒的;比较了超导薄膜中和正常导体的外表面层中载流子的能态,用以上的两个结果解释了超导“邻近效应”。
    Steady condition and law of conservation of momentum are used to explain that total directional movement momentum of all charge carriers through arbitrary intersecting surface is conservative; the energy state of carriers in the superconducting thin film is compared with that in exterior surface layer of normal conductor, superconducting proximity effect is explained by the above two results.



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