飞机的长度和最大横截面面积之比也会影响音爆的强度。
The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
并用改变构件局部截面尺寸法，对构件锈蚀引起的结构强度变化作了简单的探讨。
And the effect of corrosion on structural strength is discussed in brief by changing section thickness.
为此，利用材料力学方法可以解决杆件横截面上存在多个内力的强度计算问题。
Therefore, the strength check of multi-internal force from the cross-section of bar can be resolved by means of mechanical method.
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