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- K-Ar isotopic ages of sulfide from ore suggest that the model age of deposit formation is 339.1 Ma,near to the Carboniferous stratum age,implying the start of sedimentary exhalative mineralization. 矿床硫化物K-Ar同位素年龄显示;矿床的模式年龄有2个年龄段:斑点状闪锌矿与结核状闪锌矿的模式年龄分别为387.;2;444
- According to the lead isotopic model ages and geologic characteristics of the ore deposits, two main types of Pb-Zn deposits can be classified in SW Yangtze block, i.e., the Mississippi valley type (MVT) and the sedimentary exhalative (SEDEX) type. 综合矿石铅同位素模式年龄和矿床产出的地质特征，初步厘定出扬子地块西南缘存在着两种不同成因类型的铅锌矿床，即MVT型和SEDEX型。
- The deposits formed on the sea floor as sedimentary exhalative deposits (including volcanic exhalative sedimentation).The sediments arc composed of siderite, clastic carbonates and volcanic rocks. 矿床属海底喷流（含火山喷流）沈积成因，为菱铁矿和细碎屑岩-碳酸盐岩夹少量火山岩的沈积建造。
- Isolated compartment and individual exhaling system make the work area more clean. 工作区间为封闭式防尘抽风管道设计，兼顾了监控和安全功能；
- Sedimentary Exhalative Origin of the Baiyinnuoer Zinc-Lead Deposit, Chifeng, Inner Mongolia: Geological and Sulfur Isotope Evidence 内蒙古赤峰市白音诺尔铅锌矿沉积喷流成因:地质和硫同位素证据
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- A request for information from another system. 为查看另一系统中的信息而发出的一种请求。
