在可扩展操作系统研究中存在两种途径，但这两种途径都存在明显的缺陷。
Current researches into extensible operating systems have focused on two approaches, but there are some shortcomings in these researches.
含油气盆地流体系统研究是现代水文地质学的一个新的研究领域，是油气成藏研究的一种有效途径。
The research on fluid systems in a petroliferous basin is a new field of modern hydrogeology and a benefit way to study the hydrocarbon accumulation.
通过松嫩平原积盐条件和积盐关系的系统研究，发现松嫩平原不同区域条件下，盐渍土盐分补给的主导途径是不同的。
According to the salification conditions and relationships of saline-alkali soil in Songnen plain, we could get that the leading way of salt supply is different in different regions.
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