塌陷类型
塌陷类型
对同一类型的塌方,隧道埋深越大,塌方后隧道周边应力变化幅度越大。
Some plants are woody in type—an adaptation designed to prevent collapse of the plant tissue when water stress produces wilting.有些植物是木本植物,这是一种适应性的设计,以防止植物组织萎缩时,水分胁迫产生萎蔫。
At times, enough gas builds up for the dwarf to collapse, leading its carbon to fuse nearly instantly and the dwarf to explode in a Type I supernova, which can outshine a galaxy for a few months.有时,足够的气体会积累起来导致这颗矮星发生坍缩,使得它的碳原子几乎能立即聚合,而爆炸成为I类超新星,它在几个月内的亮度能超过一个星系。