geosynclinesBNC²³⁶²¹³⁺¹ 基本例句 n.地槽原型geosyncline的三单 The REE contents of rock bodies in geosynclines are relatively low because of their origination from the high proportion remelting of subducted ocean crust. 地槽区岩体的稀土元素含量及多种参数相对较低,主要与其起源于俯冲洋壳较大比例重熔有关。 cnki