Generally, the design of reinforced concrete structural element takes the method of cross-section inner force for weighting analysis, then USES empirical equation to design distributed steel.

钢筋混凝土结构构件的设计一般采用截面内力法进行受力分析，然后采用经验公式进行配筋设计。

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The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.

飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。

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Indestructible terrain funnels the player through a chokepoint that divides the outer section of the compound from the inner sanctum.

关口将地图外面的部分和内部密室分开，而不可破坏的地形会引导玩家必须从哨卡进入。

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Maintenance work on the St Alkmund's Way section of the inner ring road begins on 21 January and is expected to last until June.

BBC: St Alkmund's Way

In Kent's aorta model most of the tears are transverse, or across the artery, in a section called the isthmus, and they start on the intima, or the inner layer of the aorta.

FORBES: Smart Dummies