limitation span
英 美
极限跨径
极限跨径
Onthis foundation, the best range of rise-span ratio of arch bridge which reachesits limitation span is discussed.
并以此为基础,就极限跨径下拱桥的最佳矢跨比范围进行讨论。
According to the UNESCO Convention on Stolen and Illegally Exported cultural Objects, any cultural relics looted or lost during wars should be returned without any limitation of time span.
据联合国教科文组织公约,非法出口,被盗,被洗劫的文物,或者战争期间丢失的文物,应该不受任何限制的时间限制将其返还原国。
This method makes it possible to change the drilling work mode, span terrain barrier, breakthrough the limitation of time and implement distance drilling based on network cooperative work.
利用该方法,将能够从根本上改变以往的钻井工作模式,跨越地域屏障、突破时空界限,实现远程钻井的网上会战。
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