So his advice is to pull the plant out of the container, then cut the bottom half of the root ball into four parts.
所以，他建议将植物从容器中取出来，将底下一半的球状根系切成四部分。
Out pops that speed with which you can escape the gravitational pull of capital M, which is the V square root of two times larger than this V.
逃离M的重力,所需的速度为,√2乘以,比逃逸速度小的。
Pull the entire root or treat isolated plants with herbicide or boiling water.
注意把整个植株的根去除，对待部分留下的杂草，可以用除草剂，或则沸水。
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