文章摘要信息 关键词 : 浅埋煤层 顶板关键层 后屈曲 破断步距 极限下沉量 [gap=1078]Keywords : shallow seam;roof key stratum;post-buckling;breaking span;final subsidence
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When you pull her away from something she's deeply involved in, you're breaking her flow and you're actually training her to have a shorter attention span.
当你把她从正在乐于其中的事情中拉出来时你正在打断她的思想流并且是实际上你在训练她拥有短的注意力跨度。
In Sweden, the record life-span in any year over the last 150 years has been steadily increasing. The speed and the improvement in the record-breaking is on the increase.
同样,在瑞典过去150年,最长寿命纪录每年都在稳步提高,而且打破纪录的速度也在增长。
To analyze the wires breaking-induced vibrations of long-span power transmission towers, three finite element models of shield wire, conductor wire and tower were established with ANSYS/LS-DYNA.
基于有限元程序ANSYS/LS-DYNA,分别建立以等效弹簧代替塔对线路作用的导线、地线模型和以等效弹簧代替线路对输电塔作用的直线塔模型。
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