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- Primary minerals are coal, copper and zinc, and agricultural products include rice, peanuts, sugar cane, fruits, vegetables and tobacco. 矿产主要有煤、铜和锌,农产品包括米、花生、甘蔗、水果、蔬菜和烟草。
- The enrichment of aluminum in soils developed from granite is much maturer than that from basalt, the quality is adhesiver, and the primary minerals are less, too. 发育于玄武岩的红壤较发育于花岗岩的红壤富铝化程度更高，质地更粘重，原生矿物较少。
- The mainly orebody is typic arrangement assemblage feature of sulphide of sediment orogenic copper ore because primary mineral has obviously zonation. 主矿体中原生矿石矿物具有明显的分带性，为典型的沉积成因铜的硫化物排列组合特征。
- The South Qinling middle-late Palaeozoic sedimentary region is a pre--orogenic basin. The submarine exhalative events in the middle Devonian and the subsequent orogenic tectonic processes determinedthe primary mineralization types and their evolution. 南秦岭中晚古生界沉积区属造山前盆地，中泥盆世发生的海底喷流沉积事件及随后进入造山期的构造发展进程决定了本区成矿作用的基本类型及其演化。
- The chalcopyrite associated with the andesite of the Mesozoic continental strata in Lujiang region,Anhui,belongs to a primary mineral of the volcanogene hydrothermal copper deposit. 矿床技术经济评价在地质勘查工作中占有重要地位。
- It is mostly occurs in pegmatites and constitutes an ore of tantalum.Microlite can also occurs as a primary mineral in lithium-bearing granite pegmatites, and in miarolitic cavities in granites. 它主要是出现在伟晶岩和tantalum矿.;微晶石也可作为锂矿伟晶花岗岩，花岗岩和在晶洞腔。
- This paper studies the relationship between the primary mineral phase separation and the recrystallisation reaction of granulated blast-furnace slags with that different chemical compositions. 摘要研究了粒化碱性高炉矿渣中晶出原始矿物相的类型与矿渣化学成分之间的关系。
- The company relies on the territory of the country's largest production, the purity of the highest quality products optimal quartz and solid domestic eclogite primary mineral resources. 本公司依托境内全国产量最大，纯度最高，品质最优物产雄厚的石英和国内榴辉岩原生矿产资源。
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- THE COMPOSITION OF PRIMARY MINERALS FROM ALKALI-RICH IN TRUSIVE ROCKS IN THE NORTHERN PART OF EAST QINLING, CHINA 东秦岭北部富碱侵入岩的主要矿物组成
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
- He only accepted the primary education off and on in his childhood. 他小时候只断断续续地接受过初等教育。
- The primary reason for advertising is to sell more goods. 做广告的根本目的是要多出售货物。
