ocusing on way s and means of improving a nd upgradi ng work , further development of "three to split". (A) fully grasp "no unauthorise d" created. The township "no unaut hori sed" create d the existi ng buildi ng "one house hol d, one document" survey and file storage w ork must be unconditi onal and full cov erage. Mai n corri dor lea ding t o the town (road, river) village, the Central built-up