本文用非线性有限元方法研究了准静态条件下纵向和横向加强筋对加筋方形管压溃破坏的影响。
The effects of longitudinal and transverse stiffeners on quasi-static crushing of stiffened square tubes are studied with the nonlinear finite element method.
昨日市场出现'局内日'图形（更低高点和更高低点）原油当日赚得7美分，加强了目前横向式移动。
We saw an 'Inside Day' pattern yesterday (lower high and higher low) with crude posting a mere 7 cents gain for the day which came as reinforcement for the current sideways trend.
加强内容的系统化教学，探究知识的纵向和横向延伸；
Enforce systematized teaching of the context and seek vertical and horizontal extension of knowledge.
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