研究表明，甲马矿区海绵礁形成的关键因素是海平面变化，其主体的发育与海平面相对上升同步。

It turns out that the dey factor for the formation of sponge reef was sea level changes and that the growth of reef was in concord with relative eustasy rise.

youdao

研究表明，甲马矿区海绵礁形成的关键因素是海平面变化，其主体的发育与海平面相对上升同步。

It turns out that the dey factor for the formation of sponge reef was sea level changes and that the growth of reef was in concord with relative eustasy rise.

youdao