complicatedness

This paper has analysed the main behaviors of the three rural issues and the reasons causing complicatedness and arduousness .

本文分析了三农问题的主要表现和导致复杂性，艰巨性的原因。

Because of drilling complicatedness of geological condition , some special stratum conditions must adopt new-type washing liquid , the foam is one kind of new-typly washing liquid .

由于钻探地质条件的复杂，有些特殊的地层条件必须要采用新型的钻探冲洗液，泡沫是新型冲洗液中的一种。