slenderness ratio的用法和樣例：
例句
- The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases.
阻力隨干砂層長細比的增加而急劇減小。 - With the increasing of the slenderness ratio, the influence of the loading method on the hooping effect and mechanical behavior of the members are decreased.
隨著長細比的增大，載入方式對試件套箍作用的影響有減小的趨勢，且受力性能的差異也逐漸縮小。
