...湘西北 [gap=1611]Keywords : Calcirudite, Sedimentary facies, Sedimentary environment, Permian, The northwest Hunan Province ...
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Changde is an important town,and one of economically advanced regions in Northwestern Hunan,and has a very strict requirement for environmental quality.
常德市是湘西北重要城市,也是经济较发达地区之一,对环境的质量要求也比较高。
参考来源 - 香樟在常德市园林绿化中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
上述地球化学特征表明了湘西北镍钼多金属矿床的形成特征。
The Ni-Mo polymetallic deposit in northwestern Hunan is highly enriched by Ni, Mo, Ptgroup elements and As, SE, and etc.
记述了湘西北地区志留、泥盆系的遗迹化石14属，28种、亚种（包括15新种，2新亚种）。
Here described are Silurian-Devonian ichnofossils from northwestern Hunan, with a total of 14 genera, 28 species and 2 subspecies(including 15 new species and 2 new subspecies).
降水大量渗漏、雨水资源季节性分配不均、特殊的土壤水分物理性质等偶合构成了湘西北岩溶山区雨水资源有效利用的影响因素。
The factors that affect effective utilization of rainwater resources consist of heavy leakage and asymmetry seasonal distribution of rainfall and peculiar soil moisture character in coincidence.
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