查询词典 preagricultural
- 与 preagricultural 相关的网络例句 [注：此内容来源于网络，仅供参考]
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This paper at its beginning briefly analyzed the three historical periods of forestry development, namely the primitive forestry in preagricultural and agricultural era, the traditional forestry in industrial era and the modern forestry in post-industrial contemporary era .
文章首先扼要剖析了林业发展的三个历史阶段：农耕前及农业时代的原始林业，工业化时代的传统林业以及后工业时代的现代林业，强调了真正的现代林业只能从全世界范围内开始生态觉醒的二十世纪中叶算起，现在还处在过渡和形成阶段。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。