Using a divining rod, a dowser may find water, metals and other substances in the ground without the use of scientific tools.
占卜探测者从不需要科学仪器，依仗一根探测杖他们便可测出地下的水源，金属，或者其他物质。
From the results, some scientific basis and practical techniques were provided for using water resource effectively, regulating farmland water rationally, and improving crop productivity.
研究结果为有效利用红壤区水资源、合理调控农田水分和提高作物生产力提供了科学依据和实用技术。
Using dilute water closed recirculation was a scientific and rational way. The problem of how to carry out the dilute water closed recirculation was discussed.
指出洗净水闭路循环是污酸处理的科学和合理的方式，对如何实现洗净水闭路循环处理进行了论述。
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