... khụ khu vc Nam Trung B (Nguyn Vn Thng, 2010) Hỡnh 1.4 Xu th bin i chun sai nhit trung bỡnh ma khu vc Nam Trung B (Nguyn Vn Thng, 2010) 12 Hỡnh 1.5 Xu th bin i chun sai nhit trung bỡnh nm khu ... ma khụ khu vc Nam Trung B (Nguyn Vn Thng, 2010) 13 Hỡnh 1.7 Xu th bin i chun sai lng ma ma khu vc Nam Trung B (Nguyn Vn Thng, 2010) Hỡnh 1.8 Xu th bin i chun sai lng ma nm khu vc Nam Trung B ... th k 21 theo kch bn phỏt thi khớ nh kớnh trung bỡnh A1B khu vc Nam Trung B 2.1.1 V trớ a lý v c im a hỡnh khu vc Nam Trung B Trong Lun ny cỏc tnh Nam Trung B bao gm Bỡnh nh, Phỳ Yờn, Khỏnh Ho,...