水质分析;
Based on the analysis of water traffic in the Yuan Dynasty, this article tries to make an inquiry into the interactive model of traffic development and economy development in the hope of providing some historical references for modern development of Chinese economy.
本文试从元代水路交通的拓展探讨交通与经济发展的互动模式,从而力求为我国的现实发展提供某种历史的借鉴。
Function and value analysis of water conservation , soil and fertility maintenance of urban forest in Guangzhou.
广州城市森林涵养水源、固土保肥的功能及价值分析.
Simulation and Analysis of Water Pollution in Large River by Tracer Test
大江大河污染示踪模拟与分析
Through the analysis of water equilibrium system in alcohol production reflux mathematical model was established.
通过对酒精生产水平衡系统的分析,建立了数学模型.
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