ocusing on way s and means of improvi ng and upgradi ng work, further development of "three to split". (A) fully grasp "no unaut horise d" created. The tow nshi p "no unaut horise d" create d the existi ng building "one household, one document" survey and file storage w ork must be unconditional a nd full coverage. Main corri dor l eadi ng to the town (road, river) village, t he Central built-up