...年出版的《大国都》中对首都的地理条件作了详细的研究之后认为,大凡建都,应具备三个条件:一是自然仓库(natural storehouse),即首都附近资源丰富,粮食充裕,能满足首都的需要;二是叉道(crossways),即首都应处在交通要道,交通便利;三是要塞(stron...
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Underground gas storehouse is important composition part of transporting pipeline system of natural gas.
地下储气库是天然气管道输送系统的重要组成部分。
In this paper the automatic method to judge natural ventilating and mechanical ventilating condition is investigated for the adjustment of temperature and humidity within the records storehouse.
本文旨在探讨档案库房的温湿度调节中自然通风或机械通风条件的自动判定方法。
According to 1985 census results of the medicinal plants that are known to have a full-Hill 617 kinds of medicinal herbs, Wudang "Drug Storehouse natural."
据1985年药用植物普查结果,已知全山有药材617种,因此,武当山有“天然药库”之称。
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