1·Water isotope technique is an important method in the field of groundwater studies, which can help to explain groundwater activity mechanism from macroscopy and microscopy.
水同位素技术已成为研究地下水的重要手段，有助于从宏观和微观上阐明地下水活动机理。
2·Results of treatment techniques, characteristics and research methods of the leachate were introduced from three scales: macroscopy, midscopy and microscopy.
前言： 从宏观、中观和微观三个尺度对目前垃圾填埋场渗滤液的性质、处理方法和研究手段进行了系列介绍与比较。