The differences between surface creep and saltation are gradual and it is difficult to draw a fixed dividing line.
表面爬行和跳跃之间的差别是渐变的,它很难划一条固定分界线。
The creep of a skin layer under a distributed surface pressure was solved by an analytical method using Hankel transform and Laplace transform.
本文利用积分变换方法求解皮肤层在表面压力作用下的蠕变响应问题。
In order to get low surface roughness and high material remove rate, basic research on the optimization of process parameters in creep feed ultrasonic grinding engineering ceramics was conducted.
为了在加工中获得良好的表面质量和大的材料去除率,本文开展了蠕动进给超声磨削工程陶瓷参数优化的基础研究。
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