• 基于外部形态特征内部骨骼特征亚属进行了分支系统学分析。

    Phylogeny of the cyprinid subgenus Cyprinus (Mesocyprinus ) is elucidated based on both external and osteological features.

    youdao

  • 本文描述鱼类外部形态显微结构,并不同水层鱼的脑进行了比较。

    This paper describes the morphology and organization of the brain of eight fresh-water cyprinids by which inhabit in different layers of water.

    youdao

  • 本文20鲤科鱼类同工酶表型进行了分析比较。

    Lactate dehydrogenase (LDH) isozymes of 20 species of Cyprinidae fish were analysed with disc polyacrylamide gel electrophoresis.

    youdao

  • 本文应用随机边界产量函数我国鱼类池塘养殖技术效率进行了分析。

    The pap er focused on technical efficiency of carp production in China by using the production frontier and technical inefficiency model.

    youdao

  • 本文应用随机边界产量函数我国鱼类池塘养殖技术效率进行了分析。

    The pap er focused on technical efficiency of carp production in China by using the production frontier and technical inefficiency model.

    youdao

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