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稀有植物
释义
稀有植物
Encyclopedia
农学
野生植物
释
rare plant
稀有植物
有广义和狭义之分。广义稀有植物指那些在经济、科学、文化和教育等方面具有重要意义而现存数量稀少的植物,又称珍贵稀有植物,如金花茶(Camellia petelotii)。狭义稀有植物指分布范围狭窄,数量极少,如普陀鹅耳枥(Carpinus putoensis,仅存一株),但在特定生存条件下种群的生存和繁衍相对稳定;或者虽有较大的分布范围,但只是零星分布的植物,如中国蕨(Aleuritopteris grevilleoides),金钱松(Pseudolarix amabilis)。通常使用其广义概念。
Biology
unusual plant
稀有植物
随便看
conductivity, specific conductance
conductivity temperature depth
conductivity temperature depth profiler
conductivity-temperature-depth survey
conductivity tensor
conductivity testing
conductivity water
conductometer
conductometric analysis
conductometric analysis; conductometry
conductometric analysis for pharmaceuticals
conductometric titration
conductometry
conductor
conductor discriminant theorem
conductor-like screening model
conductor mineral
conductor of a character
conductor of a class field
conductor of an Abelian extension
conductor of an ideal group
conductor of an integral closure
conductor of a number field
conductor potential
conductor-ramification theorem
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2025/12/31 9:06:35