classification of minerals是什么意思_classification of minerals中文

classification of minerals中文什么意思

classification: n. 1.选别；分等，分级；分选。 2.【动、植】分类( ...
mineral: n. 1.矿物；〔口语〕矿石；【化学】无机物。 2.〔英 ...
minerals: 矿产品; 矿石; 矿物质物; 矿业/
classification: n. 1.选别；分等，分级；分选。 2.【动、植】分类(法)。〔分类级别为： phylum 【动物；动物学】及 division 【植物；植物学】门，class 纲，order 目，family 科，genus 属，species 种，variety 品种〕。 3.类别；等级；(文件的)保密级。 a classification yard (车站的)调车场。
accessory minerals: 副矿物

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Abstract : he international classifications of mineral resources a nd reserves were briefly introduced ; the main problems existed in the classification scheme which is formerly adopted in our country were proposed , and the necessity for the reformation of it was also given ; the significance o f the new classification standard to the development of mining industry in our c ountry was described
文摘:对国际上矿产资源储量的分类作了简要介绍；提出了我国过去采用的分类方案所存在的主要问题以及对其进行改革的必要性；论述了新分类标准对我国矿业发展的重要意义。

classification of minerals中文什么意思