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棕榈象甲检疫鉴定方法
Methods for the identification of Rhynchophorus palmarum (Linnaeus)
参考页数:14P.;A4
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松褐天牛引诱剂使用技术规程
Technical regulation for application of the attractant of Monochamus alternatus
参考页数:12P.;A4
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自然保护区生态旅游评价指标
Indicators for the evaluation of ecotourism in nature reserves
参考页数:18P.;A4
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