有很多廉价的防震设计可以利用,比如科学杂志的一篇报告中提到在混凝土块结构中加入复合海绵来作为晃动的缓冲吸收物。
There are plenty of ideas for cheap earthquake-proofing: one is to fit rubber pads from recycled tyres between concrete blocks as shock-absorbers, says a report in Science magazine.
为了建造1060英尺长的拱结构,他们每次要浇铸24英尺长的混凝土块,与此同时,缆绳牵引的桥段的两端会在明年会合人。
To construct the 1, 060-foot-long arch, they cast 24 feet of concrete at a time, while a separate, temporary cable-stayed bridge held up the unfinished ends until the gap was closed this year.
从概念上讲,可以成为“盒子”的两个混凝土块,提供房子的主要支撑结构。
Conceptually, two concrete blocks, referred to as "boxes", offer the primary structural support for the house.
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