basic adj. 1.基础的,基本的,根本的。 2.【化学】碱性的,碱式的。 3.【矿物】基性的,含少量硅酸的。 4.【军事】初步的;最下级的。 basic data 基本数据。 basic industry 基础工业。 n. 〔常 pl. 〕 1.基础,基本。 2.基础训练。 work for the basics 为衣食住等操劳。 adv. -ally 基本地 Basic = Basic English.
The basic rock material is usually finely crystalline and is referred to as the matrix 基性岩石物质具有完美的晶体结构,一般构成基质。
The basic to ultra - basic rocks are distributed along suture zones , whereas the intermediate to acidic intrusives occur mainly to the south and north of the arsuo tectonic melange zone and the angren ophiolitic melange zone 基性-超基性岩沿结合带分布,而中酸性侵入岩主要分布在阿索蛇绿混杂岩和昂仁蛇绿混杂岩的南北两侧。
( 4 ) the comparative research suggests that various types of ultrabasic - basic rocks occurred different geological environment and different intruded mechanism can bring on different types of nickel sulflde deposit ( 4 )比较研究表明,不同地质环境产出的不同类型超基性?基性岩及其不同的侵入机制可以导致形成不同类型的镍矿床。