土壤水分是水文学、气象学、土壤学、生态学以及农业科学等研究领域中的一个重要的参数。
Soil moisture is an important factor in research fields of hydrology, meteorology, pedology, ecology, agricultural science and so on. But it is a difficult one to gain.
积雪是一种重要的地球表层覆盖物，是气象学和水文学中一个非常重要的参数。
Snow cover is an important mulch of ground surface, as well as an important parameter of meteorology and hydrology.
陆面过程的参数化方法是大气物理学家研究的重点，也是水文学家越来越关注的问题。
Methods for land surface process parametrization are a focal point for atmospheric physicists to investigate, and also a problem for hydrologists to be increasingly concerned about.
陆面过程的参数化方法是大气物理学家研究的重点，也是水文学家越来越关注的问题。
Methods for land surface process parametrization are a focal point for atmospheric physicists to investigate, and also a problem for hydrologists to be increasingly concerned about.
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