| EXAMPLE SENTENCES | ||
|---|---|---|
建立任意廻转面叶片表面边界层基本方程组，分析边界层分离的旋转效应。 The basic equations of the boundary layer for blade surface flow of arbitrary cyclical surface are established, and the rotating effect for boundary layer separation is analyzed. | ||
考虑到前体壁面边界层厚度对流动结构的影响，提出了边界层效应的修正方法。 Taking into account the boundary layer effect on flow structure, a correct formula was given. | ||
因此对边界层气象学研究有着非常重要的意义。 Thus it is a very important data source for MABL meteorology study. | ||
然而，当气流为湍流时，边界层维持时间较长。 However, when the airflow is turbulent, the boundary layer sticks to the ball for longer. | ||
本文概述了边界层转捩对空天飞机性能的影响。 The leverage on the performance of aerospace plane from boundary layer transition is presented in outline. | ||
以热脉冲加热的主动式加热方式既可用来产生和消除边界层的T-S波，也能用来控制边界层的分离。 The active heating or periodic pulsed heating can be used to excite and cancel the T-S waves and also to control the boundary layers seperation. | ||
理论分析和实验的结果说明：边界层分离将引起压差阻力。 The theoretical analysis and experimental results show that boundary layer separation will produce pressure drag. | ||
水平温度梯度形成较强的斜压性是形成边界层风切变的主要原因。 The baroclinity formed by the horizontal temperature gradient is the main reason for the formation of the wind shear. | ||
综合应用边界层等理论给出这些特殊渗流现象的物理和力学解释。 These special flow phenomena have been ex-plained in physics and mechanics by means of boundal layer theory. | ||
本文综述了昆虫在迁飞过程中对大气物理环境的各种行为反应，用边界层气象学的理论重新审视迁飞种群的时空分布，提出了“边界层顶现象”的概念。 Based on boundary layer meteorology, the temporal and spatial distribution and the behaviour of migrating insects were reviewed, and a concept of 'PBL-top phenomena' was pre sented. | ||
