/link?url=yvkfavLJ6TdcsqbJl2ZIvfFTWGSFlSUEOzwu96WLQdJ59UlmD7MUwn0tL2S4wd2LVwMNT5PjoYtZyRG656_rlY6ZDNTIMle4X1W14CjSnfm百度文库的文章:空间坐标转换说明