18. As Houxi Opencast Mine has smaller mining boundary and it is near villages, the safety of mining and controlled blasting are strictly required.
侯西露天矿开采境界小，距离村庄近，对剥采作业安全性、控制爆破技术有较高的要求。
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19. A visit to an abandoned opencast mine on a rocky Swedish island where four rare earths were found in the 18th and 19th centuries fails to bear fruit.
瑞典一个遍布岩石的岛屿曾在18和19世纪发现了四种稀土元素，对岛上一座废弃露天矿的造访也未能奏效。
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20. Gradient selection of side-slope, side-slope protection and side-slope glide control for opencast mining are tentatively investigated in the paper.
本文对露采边坡的陡度选择、边坡保护以及边坡下滑的处理，进行了初步探讨。
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21. With the finite element method of material description, the rock mass in underground and opencast united mining engineering was simulated and analyzed.
采用物质描述增量有限元方法，对露天与地下联合开采工程岩体进行了数值模拟分析。
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22. An optimized mining plan model was presented for opencast mines. During the development of the model, mining construction was given full consideration.
23. Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.
主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。
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24. The purpose of the paper is to discuss the relationship between underground right and ground right of reclaimed land in the process of opencast working of coal mine.
研究目的：探讨煤矿露天开采过程中复垦土地地上权和地下权的关系。
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25. The structure and working principle of the integrated monitoring system of opencast mining slopes deformation has been introduced. A monitoring example has been given.
文章介绍了露天矿边坡智能可动式自动监测系统的结构、工作原理，给出了监测实例。
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26. Land is one of the most important resources on which humans depend. Opencast mineral lead to destruction of vast amounts of land, and aroused serious environment problem.
土地是人类赖以生存的最重要的基础之一，露天矿开采导致大量的土地被毁，引起严重的环境问题。
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27. This fault diagnosis data transmission and processing system for opencast coal mine management have been carried out on-site installation and testing, and it is working normally.
本文研发的露天煤矿设备故障诊断数据传输处理系统已进行现场的安装调试，初步使用正常。
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28. Hargrove asks how our viewing of the night sky is affected by our knowing whether what we see are the craters of the moon's natural state, or only man-made excavations and opencast pits.
29. Hargrove asks how our viewing of the night sky is affected by our knowing whether what we see are the craters of the moon's natural state, or only man-made excavations and opencast pits.
