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- Metallogeny of the major metallic ore deposits in China II. 中国主要金属矿床成矿规律2。
- The major metal resources are Hg-Sb, Pb-Zn and Au deposits, which are different but correlative in source materials, physical-chemical conditions and the characters of mineralizing fluid. 它们在物质来源、成矿物化条件和成矿流体性质等方面既有联系又有差异。
- The major metallic minerals and also the major gold carrier minerals are arsenopyrite and pyrite. 主要的金属矿物为毒砂、黄铁矿,同时也是主要的载金矿物;
- We have developed stable sources of supply for non-ferrous and ferrous ores, concentrates and refined metals backed up by long term contracts with major metal suppliers and mining companies. 在货源方面,我们的有色和黑色金属矿、精矿和精炼金属有稳定的来源,托克上海与国内主要金属供应商和矿业公司都签订了长期协议。
- With the opening of the gold market, gold as a hedge of one of the major metals, more and more consumer concern, for gold jewelry, how to identify the authenticity of this? 随着黄金市场的开放,黄金作为保值的重要金属之一,越来越受到消费者的关注,那么,对于黄金首饰,如何辨别真伪呢?
- The quartz syenite porphyry body of Yanshan Period is the wall of lode.It is also the major metallization matrix rock.In the periphery of the area,there is the resemble and the same me... 在其外围有多处与其相似或相同的成矿地质背景,并有金矿化显示,表明在该区寻找同类型金矿床具有良好的找矿前景。
- It is inferred that the ore-forming process of the Dengjiashan tin deposit is mainly controlled by the late-stage tectonic altered zones with the NNE trend and the major metallization pattern is the type of the tectonic altered rock zone. 邓家山锡矿成矿作用主要受后期北北东向构造蚀变带控制,主要矿化类型为构造蚀变岩带型。
- The skirmish grew into a major battle. 小冲突扩大形成大战斗。
- Some slight incident may touch off a major war. 某个小事件可能会引发大战争。
- Local fighting might spark off a major war. 局部战斗有可能引发一场大规模战争。
- Narcotics are a major threat to health. 毒品是危害健康的大敌。
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- A captain is inferior to a major. 上尉的级别低於少校。
- Even a limited confrontation can escalate into a major war. 即使是局部的对抗也可能扩大成一场大战。
- There were four major quakes in this century. 本世纪有四次大的地震。
- I major in French and minor in English. 我学习的主科是法语,副科是英语。
- She had a major emotional upset. 她情绪上受到了沉重的打击。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- We have encountered major problems. 我们已遇到重大的问题。
- Construction is a major industry here. 建筑业是此地的主要工业。