... hanh lang bao ve hd ehiia, cam mdc ehi gidi pham vi viing phu can bao ve dap cd hieu luc thi hanh gay khd khan eho chii hd, chii dap trong cdng tae quan ly van hanh hd, dap; - Hanh lang ... suKiENffnym^ thdng tin ed dinh, di ddng eiia it nhat hai mang thdng tin khac nhau (mdt mang thdng tin eiia nganh Dien va mot mang thdng tin khae ngoai nganh Dien), bao dam thdng tin tiidng sudt ... nhilu hd dan lin chiem de trdng rau, xay dung nha gay khd khan cho chii hd trong viec xa lii va bao dam an toan eho cdng trinh diu mdi, eho ehinh eae hd dan lin chiem hanh lang thoat...