9HE Yue - bao, CHENG An - wen, WANG Hong - yi. GPS height fitted instead of three level feasibility study, China GaoTieSan Beijing - Shanghai hydropower group three working section seven innings [ J ]. Journal of Geodesy, 2003(77) :77 -85.
10DeMets C, Gordon R G, Angus D F, et al. Current plate motions [ J ]. Geophysical Journal International, 1990,21 (20) :2 191 -2 194.