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In this paper, the current study about the population identification method for cephalopod has been discussed from the aspects of morphology, ecology, biochemistry and molecular genetics in details, the results show that the great progress has been made in the world.

从形态学、生态学、生物化学以及分子遗传学等方面，较为系统地阐述了世界各国在头足类种群鉴定方面的研究现状。

Just like the Dempster, the gravel sections were actually better in the rain, but worse when dry.

就像登普斯特，砂石路段，实际上更好地在雨中，但更糟糕的时候干。