Appearance perspective, sowthistle vertical stem, leaf or a lanceolate round, usually feathered deep cleft.
从外形上看,苦菜茎直立, 叶呈披针形或圆形, 通常羽状深裂.
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Thereinto hydrology effect of Stem - leaf and mechanics effect of root system played a major role.
其中茎叶的水文效应与根系的力学效应起着主要的作用.
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