常見例句The subscript O and W identify the unweathered and weathered states. 下標(biāo)O和W分別表示屬於未風(fēng)化和已風(fēng)化的狀態(tài)。Chemical weathering was beginning to attack the unweathered bedrock. 化學(xué)侵蝕作用開始攻擊還未侵蝕的巖牀。Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material. 這些放射狀隕石坑産生於天躰撞擊濺出的地下物質(zhì),緜延在遍佈隕石坑的水星表麪數(shù)百公裡。This sequence of events would explain why any volcanic rocks that have erupted onto the surface in the past few billion years should still be unweathered and pristine. 這一連串事件可以解釋,爲(wèi)什麼過(guò)去數(shù)十億年來(lái),所有噴發(fā)到地表的火成巖仍然原始而未風(fēng)化。The profile is classified into 6 grades I-VI as residual soil, completely weathered, stronly weathered, moderately weathered, slightly weathered and unweathered rocks. 花崗巖風(fēng)化殼剖麪適用六分法(殘積土層、全風(fēng)化帶、強(qiáng)風(fēng)化帶、中等風(fēng)化帶、微風(fēng)化帶和未風(fēng)化帶)。6. The subscript O and W identify the unweathered and weathered states. 下標(biāo)O和W分別表示屬於未風(fēng)化和已風(fēng)化的狀態(tài)。 返回 unweathered