The good protection effect of imitated vegetation is demonstrated by the contrast research of the model experiments with throwing stone protection experiment.
借助正态模型试验和抛石防护对比试验研究，证明仿生植物具有良好的防护功效。
The principle and technical requirement of throwing stone and pressing mud concrete pile are described, and its actual application to the compound foundation is introduced.
结合工程实例对投石压浆无砂混凝土小桩复合地基的设计原理和施工工艺进行了综合分析 ，并强调施工中应注意施工现场的质量管理和质量核验 。
, holds a bundle of spears that he made for use with an atlatl, a Stone Age throwing device that uses leverage to sharply increase the speed and distance a spear can travel.
这是他制作的和梭标投射器（利用杠杆作用加快长矛速度、增加投射距离的石器时代的一种投射装置）一起使用的长矛。
Protests over the past three years led in 2010 to five months of curfews, boycotts of shops, offices and schools-known as hartals-and stone-throwing by youngsters.
过去三年的抗议导致2010年五个月的宵禁、对商店咖啡馆学校的抵制—也就是联合休业罢工，还有年轻人们投掷石块。
Protests over the past three years led in 2010 to five months of curfews, boycotts of shops, offices and schools-known as hartals-and stone-throwing by youngsters.
过去三年的抗议导致2010年五个月的宵禁、对商店咖啡馆学校的抵制—也就是联合休业罢工，还有年轻人们投掷石块。
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