（二）压应力 钢构件在承受轴压时的挫屈模式往往决定于钢构件的细长比（slender ratio），不同的挫 屈模式造成钢构件不同的容许应力，当细长比大于临界细长比时，钢构件挫屈发生在弹性限 3 度内，为弹性挫屈，属长柱效...
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A modern sports glider, with long, slender wings, is the most aerodynamically efficient aircraft, with a lift-to-drag ratio of around 50:1.
现代运动用滑翔机的机翼长而细薄，拥有最佳的空气动力学效率，其升阻比达到50：1。
The problems of large length-diameter ratio and difficult core pulling for slender pipe-shaped composite parts with poor rigidity can be solved.
解决了长径比大，刚性差细长管形复材零件抽芯困难的问题。
Meanwhile the effects of slenderness ratio and load eccentricity on the ultimate load-capacity of slender composite columns are numerically analyzed and discussed in detail.
同时就柱子长细比、荷载偏心距对长柱极限承载力的影响进行了较详细的数值分析和讨论。
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