一个国外的VB防火墙，很好懂的。一般情况下还是用得上的。已经反译成中文了。-a foreign VB firewall, a good read. Under normal circumstances or the ebb and flow. Has been translated into anti-Chinese.

By exploiting the basic principles of particle swarm optimization (PSO) and the information of practical node positioning applications, TLP searches out the optimal localization results on the basis of the distance anchor nodes to unknown nodes.