classification of minerals中文什么意思

classification: n. 1.選別；分等，分級(jí)；分選。 2.【動(dòng)、植】分類( ...
mineral: n. 1.礦物；〔口語〕礦石；【化學(xué)】無機(jī)物。 2.〔英 ...
minerals: 礦產(chǎn)品; 礦石; 礦物質(zhì)物; 礦業(yè)/
classification: n. 1.選別；分等，分級(jí)；分選。 2.【動(dòng)、植】分類(法)。〔分類級(jí)別為： phylum 【動(dòng)物；動(dòng)物學(xué)】及 division 【植物；植物學(xué)】門，class 綱，order 目，family 科，genus 屬，species 種，variety 品種〕。 3.類別；等級(jí)；(文件的)保密級(jí)。 a classification yard (車站的)調(diào)車場(chǎng)。
accessory minerals: 副礦物

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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:對(duì)國際上礦產(chǎn)資源儲(chǔ)量的分類作了簡要介紹；提出了我國過去采用的分類方案所存在的主要問題以及對(duì)其進(jìn)行改革的必要性；論述了新分類標(biāo)準(zhǔn)對(duì)我國礦業(yè)發(fā)展的重要意義。

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