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.
应用大田试验 ，系统研究了风沙土肥力状况及培肥途径。
The fertility condition and measures of fostering fertility are studied by field experiment.
应用大田试验 ，系统研究了风沙土肥力状况及培肥途径。
The fertility condition and measures of fostering fertility are studied by field experiment.
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