New comprehensive study of old basins using not only new and old gravimetricdata but also other geophysical and drilling data;
利用新、老重力资料，结合其它物探及钻井资料重新综合研究老盆地；
2
The comprehensive interpretation of multiple density interfaces in this area was done by making full use of seismic, drilling, geological, magnetic and gravimetricdata.
本文充分利用了地震、钻井、地质、磁力和重力资料，对该区的多层密度界面进行了综合解释。
3
The crustal thickness from East China Sea to North Fiji Basin was calculated on the basis of the actually measured water depth and the gravimetricdata from continuous profiling.