From the view of fluid mechanics, the shear-free air water interface corresponds to a slip boundary condition in fluid and relatives to the concept of effectiveslip length.
从流体力学的角度来看，这个无剪切界面对应着流体中的滑移边界条件，而与此相关的概念是有效滑移长度。
3
Peer pressure not to slip into bad practices is a clearly identified benefit of effective pair programming.