oceanic earth's crust

基本解釋

The hypothesis was substantiated soon afterward by the discovery that periodic reversals of the Earth's magnetic field are recorded in the oceanic crust.
這個(gè)假定不久之后為發(fā)現(xiàn)所證實(shí)。該發(fā)現(xiàn)表明地球磁場(chǎng)周期性的逆轉(zhuǎn)被記錄在海洋地殼中。
By 2011 scientists aboard a Japanese deep-sea drilling ship called Chikyu hope to start drilling through a thin piece of oceanic crust to reach Earth's mantle.
2011年，科學(xué)家們將登上日本一艘名為“地球號(hào)”的深海鉆井船，他們希望通過(guò)鉆開(kāi)一塊薄的大洋地殼到達(dá)地幔。