• 聚集原因可能施肥均匀性、植株聚集性以及本身生物学习性有关

    The accumulation reason possible with to apply fertilizer the nonuniformity, it concerns to the plant accumulation as well as itself training ability.

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  • 文章介绍国内食蚜蝇科昆虫最近几年分类学生态学生物学习性生物防治研究现状

    The research advances in the taxonomy, ecology, biological characteristics and biological control of Syrphidaes in recent years were introduced.

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  • 本文介绍华南虎生物学习性提出南岭中段山地林区华南虎现今分布中心地带,有较理想栖息地

    The paper introduced the tigers 'biological habits and their main distribution, which is also an ideal habitat in mountainous forest in the middle of Naming Mountains.

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  • 本文综述了螟虫长距茧蜂的研究概况,包括寄生蜂的主要生物学习性、对玉米螟自然寄生田间防治玉米螟效果等。

    Studies on Macrocentrus linearis, including its biology, natural parasitic rate and the field control effect on Ostrinia furnacalis are reviewed in this paper.

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  • 同时对龙棕生物特性生态学习性进行了初步研究保护开发利用珍稀濒危植物资源提供科学依据。

    The paper also makes a preliminary study of the plant's biological and ecological features and thus paves the way for protection and utilization of this rare and near-extinctive plant.

    youdao

  • 同时对龙棕生物特性生态学习性进行了初步研究保护开发利用珍稀濒危植物资源提供科学依据。

    The paper also makes a preliminary study of the plant's biological and ecological features and thus paves the way for protection and utilization of this rare and near-extinctive plant.

    youdao

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