In the analysis of the elastic tripping of the stiffener, the critical stress under this mode of failure is derived by using the energy method and the principle of least potential energy.

对于加筋板中筋的侧倾失稳，则通过能量法推导加强筋侧倾失稳时的总势能泛函，利用最小势能原理求解出此失稳模式下的临界应力。

youdao

So honestly, one of the best strategies in this course and in programming in general is-- generally speaking design, but it's these little tricks of the trade that will honestly make things much more fun, much more easier, and really allow you to focus on the juicy parts of the problem and not little tiny bugs that you may have started tripping over already.

说实在的，这堂课在编程方面最棒的策略之一,简而言之，就是--设计，但这只是一些让事情更简单,更容易的小技巧，让你专注于问题的核心关键,而不是一些可能让你绊倒的,这样或那样的小错误。

哈佛公开课 - 计算机科学课程节选

Moreover, there appears to be another stratagem that exporters extensively used in December, the round-tripping of goods through special trade areas and bonded warehouses to earn substantial value-added-tax rebates.

FORBES: China's Market-Moving Trade Data Is Inaccurate

Readers with a modicum of technical knowledge may find themselves tripping over some of his turns of phrase.

ECONOMIST: Popular science

It is this that explains much of the round tripping in and out of Cyprus to and from Russia.

FORBES: Russians In Cyprus: It's Not About Tax It's About The Rule Of Law And Property Rights