A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel.
针对壁流式过滤体捕集微细颗粒物的过程，建立了描述通道内流场和颗粒层分布的一维非稳态模型。
On the first movement, if I feel that my body dance on the wall to enjoy the flow ; so I will pretty sure that It is gonna be a good session of the training.
在做第一个动作时，如果我感觉自己是在岩壁上跳舞，动作流畅舒服，我就会知道这将是非常棒的一次训练。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
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