Restaurant reusables normally have a life span of about 130 meals. Disposables cost about 2 cents in Japan, so the equivalent 130 disposable pairs cost about $2.60.

餐馆的循环木筷使用寿命大约为130次。在日本，一次性木筷的花费大约为2美分，相当于130次一次性木筷的花费约2.60美元。

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An elaborate method is developed to analyze equivalent static wind loading (ESWL) of large span roofs, in order to cope with the problem of multi-mode vibration of these structures.

针对大跨度屋盖结构多振型参与振动的特点，提出了一套确定该类结构等效静力风荷载的精细化方法。

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It is proved that the main affecting factors include: equivalent pile length, bending stiffness of abutment, ratio of width to span, distance of webs, etc.

整体式桥台的等代桩长、桥台纵向抗弯刚度、宽跨比及箱梁肋板间距等，是影响该类桥梁剪滞系数的主要因素。

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