Legend (140000/边界)

省界缓冲5400 (1) 省界缓冲9000 (2) 省界缓冲12600 (3) 省界缓冲1800 (5) 省界缓冲3600 (6) 省界缓冲5400 (7) 省界缓冲400 (9) 省界缓冲800 (10) 省界缓冲1200 (11)