构成了此体系的非平衡统计算符，进而导出其粒子数、动量、能量、力和熵等一系列宏观方程。
The nonequilibrium statistical operator (NSO) of the system is constructed and a series of macroscopic equations for its particle number, momentum, energy, force aad entropy etc. are derived.
文中利用一维等熵非定常气体的运动方程计算系统的各参数，并把所得参数作为设计和试验的参考数据。
Kinematic equation of one-dimensional isoentropic nonsteady air was used to calculate system parameters for reference of design and experiment.
在经典气动力学中讨论了非等熵流和非等熵波的存在和产生的条件。
The existence and producing conditions of non-isoentropy flow and non-isoentropy wave have been argumented in classical gas dynamics.
描述各种假设和各项物理意义； 应用可压缩流、音速、等熵和非等熵流动、势流和有旋流动中的重要关系；
Describe assumptions, physical meaning of terms and to utilize key relationships for compressible flow, speed of sound, isentropic and non-isentropic flows, and potential and rotational flows;
描述各种假设和各项物理意义； 应用可压缩流、音速、等熵和非等熵流动、势流和有旋流动中的重要关系；
Describe assumptions, physical meaning of terms and to utilize key relationships for compressible flow, speed of sound, isentropic and non-isentropic flows, and potential and rotational flows;
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