即使矿源比承租人预测的要少，或者矿源是不可开采的形式，这也是不可退还的。
This is nonrefundable, even if the source of the mineral is less prevalent than the lessee predicted it to be or if it is in an unextractable form.
它们对资源的大量开采可能耗尽或不可逆转地破坏森林、土壤、水、空气和气候。
Their surging exploitation of resources threatens to exhaust or unalterably spoil forests, soils, water, air and climate.
西方森林面积的快速增长似乎同其他各地的森林开采速度一样不可阻挡。
The growth of Western forests seems almost as unstoppable as deforestation elsewhere.
在这个过程中，贾维斯说，地下水蓄水层将受到不可避免的损坏——但这一情况与石油工业迅速开采石油储油层的情况不一样。
In the process, Jarvis said, underground aquifers can be irrevocably damaged — not unlike what happened to oil reservoirs when that industry pumped them too rapidly.
壳牌石油公司急不可待地要在他们租赁的波弗特海区开始开采，去年，该公司因被环境学家和阿拉斯加土著居民所起诉而备受挫折。
Shell Oil, frustrated last year by lawsuits filed by environmentalists and Alaskan natives, is eager to start exploiting its leases in the Beaufort Sea.
比如说煤炭，石油和天然气，包括永远也不可能开采的那部分。
One type alone may hold double the carbon of all of the terrestrial fossil fuel, such as coal, oil and natural gas, including stores that could never be recovered.
它是以——抽干地下水——这样的开采条件来萃取铀，致使农业在这个农业国家里成了一件不可能的事。
It does so under such exploitative conditions — sucking the groundwater dry — that agriculture has become an impossibility in this agricultural nation.
然而，除了继承历史上遗留的之外，明朝时期国内的白银开采量远不能满足需求，外国白银的输入就不可避免。
However, besides inherits which in the history leaves behind, the Ming Dynasty time domestic silver mining quantity far cannot meet the need, the foreign silver input is inevitable.
煤储层具有伤害的敏感性与不可恢复性决定了在煤层气钻完井、开采过程中要坚持采取系统的保护煤层措施。
Sensitivity to damages and non-recoverability of coal reservoir determines that measures should be taken to protect the system in the process of well drilling, completion and production.
人工岩样是油气田开采研究中必不可少的用品。
Artificial rock is absolutely necessary for exploitation research in oil - field.
但是对硬木的不可持续的开采不仅会毁灭森林和当地的生物，并且使住在这里的人民对未来的憧憬化为泡影。
But their unsustainable logging destroys not only forests but also local creatures and the future prospects of the people who lived there.
相似材料模拟实验是煤矿开采实验研究不可替代的实验手段，实验中模拟支架的力学特性相似性是影响模拟实验是否准确的重要因素。
Similar material simulation experiment is an important way in coal mining study. The similarity of mechanics characteristic of the simulating support determines the correctness of experiment results.
煤炭资源是国家的宝贵财富，是不可再生资源，要合理开采利用煤炭资源，提高回采率。
The coal resource is a precious wealth of the country, and can not rebirth. So mining and using of coal resource should be reasonable in order to increase the recovery.
压裂酸化技术是川西致密碎屑岩气藏开发不可缺少的重要手段，同时也是科学开采气藏、增加油气产能的重要手段。
Fracture acidizing technology is important means to develop tight clastic reservoir in west of Sichuan, scientifically produce gas reservoir and increase productivity of oil & gas.
残煤开采是将过去已开采区留下的煤柱、不可采的煤柱，再进行复采。
In the residual coal mining, the retaining and non-mining pillars in the mined area in the past are for resumption of mining.
薄煤层开采是许多矿井煤炭开采中不可避免的问题。
A coal mining in thin seam is an inevitable issue of coal mining in many coal mines.
为保证矿区安全开采，采矿本身要求排出大量的矿井水，这不可避免地使附近的地下水水位下降，并可能影响到已有地下水水源地的供水安全，产生供、排水矛盾。
However, it is inevitable to decrease the groundwater level around the mining area and even to influence the water supply safety of the constructed groundwater source fields.
随着煤炭、石油、天然气等不可再生能源的不断开采，能源危机已成为世界各国所面临的巨大问题。
The country are facing a huge problem that is the energy crisis, with the continuous exploitation of the non-renewable energy such as coal, oil, natural ect.
矿井水是煤炭开采中不可避免的伴生资源。
Mine water is unavoidable associated resource in coal mining.
水平井清砂十分困难，早期防砂是水平开采油必不可少的措施。
It is very difficult to remove sand from horizontal Wells, therefore, sand control at early production stage is extremely important.
水平井清砂十分困难，早期防砂是水平开采油必不可少的措施。
It is very difficult to remove sand from horizontal Wells, therefore, sand control at early production stage is extremely important.
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