The beneficial effect of buoyancy is taken into account in the design of piles, and significant economic benefits are generated.
利用稳定的有利水浮力优化桩基设计，产生了显著的经济效益。
In both cases, designers should consider the buoyancy of the structure and ensure that the foundation is protected from the erosive effect of floodwaters.
而这一湿一干两种方法，都要求设计师考虑到房屋结构本身的浮力，并确保房屋根基不受洪水的侵蚀破坏。
And since ethane has roughly the same density as air, the fuel in effect weighs nothing, further reducing the amount of helium needed to create buoyancy.
这里的因果好像有点问题。由于乙烷没影响，燃料的重量又可以忽略不计，所以用来产生浮力的氦气的需求量减少了。
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