The developing of dangerous rock is due to release of in-situ stress in rock, aeolation, water erosion and root flerry.
地应力卸荷、风化、流水侵蚀、植物根劈是危岩发育的主要原因。
According to the analysis of the applied forces on the molten poor at arc root the theoretical function in which the arc erosion of metal droplet ejection can be characterized was founded.
根据旋弧弧根处熔化液池的受力分析，在理论上建立了能描述旋弧喷溅侵蚀特性的函数关系式。此理论关系表明，在无外磁场作用下，液池中心受力最大，将形成中心喷溅；
There are two ways for plant roots to improve soil capability of anti-erosion. One is that fine root can keep soil by its net-work;
植物根系增加土壤的抗侵蚀能力主要通过两种方式：一是通过根系在土体中交错、穿插，网络固持土壤；
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