PowerPoint Presentation

xc nh ng ranh gii lu vc sng trn bn giy xc nh ng ranh gii lu vc sng trn bn giy xc nh ng ranh gii lu vc sng trn bn giy

xc nh ng ranh gii lu vc sng trn bn giy1

Xc nh v tr cn nghin cu xc nh ng chia nc lu vc bng cch ni cao cao nht trong khu vc bng cch khoanh v , th hin ta im u ra ca lu vc2

xc nh ng ranh gii lu vc sng trn bn giy

Ging nhau: xc nh v tnh ton trn bn Khc nhau:phng php khc phc nhng nhc im ca phng php xc nh bng bn giy a hnh lu vc sngPht huy c kh nng nh lin kt, t ng ha, ci tin tc tnh ton, ng dng m rng tnh ton x l sau ph thuc vo kinh nghim ngi tnh v cc yu t ch quanTin li v linh hot trong cng vic tnh ton , gip thu ngn thi gian xc nh v tnh ton lu vcgis c chnh xc cao hn6