这样一来，地球引力对钢棍的作用就互相抵消，这是必然的。而且，由于两端重量相等，所以它能够保持稳定。
By this the attractive force of the earth was not suspended, it is true; but it was balanced by the equality of the weights.
门式刚架的中柱设计中，常因为平面外计算长度较大，所选实腹式截面无法满足平面外稳定验算，从而导致用钢量增加。
In the mid-column design of gabled frames, the selected solid web section, isn t satisfied by in-plane stability checking because of the biggish out-plane effective length.
当斜向支撑确保纵向稳定时，钢框架结构只需抵抗短方向的侧荷载。
The steel frames resist lateral loads applied in the short direction while diagonal bracing stabilizes the building longitudinally.
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