长处：杀虫谱广，作用快，效果好，使用利便，不受地区和季节性局限，适于大面积及机械化。

Strengths: insecticidal spectrum broad, action quick, the effect is good, use and then, from regional and seasonal limited, and is suitable for large area and mechanization.

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这是一个不适于郊游的季节。

It was a bad season in which to have outings.

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大叶地锦中的单宁含量低于小叶地锦，更适于绵羊采食，并且随季节变化，在1.5% - 4.5%之间分布。

CV1 was more suitable for feeding sheep than CV2 because of lower tannin contents in CV2 changing from 1.5% to 4.5% with different seasons.

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