说明：  经典教材概率机器人Probabilistic robotics第二版！目前网络上能下载到的资源多为第一版（497页？），第二版增加了很多内容并改正了第一版中的很多错误。
(Classic textbook probability robot Probabilistic robotics second edition! Can be downloaded to the current network of more resources for the first edition (497?), Second edition adds a lot of content and correct the many errors in the first edition.)