请输入您要查询的字词:
单词
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
shale gas geological survey
shale-gas production
shale gas productivity
shale gas recovery
shale inhibitor
shale landform
shale layre with gas
shale oil
shale oil extraction
shale oil industry
shale oil in situ production
shale oil processing
shale oil production
shale recovery
shale stability index
shale swelling tester
shallow acceptor
shallow architecture
shallow band impurity
shallow development well single trip casing drilling technology
shallow donor
shallow fertilization
shallow-focus earthquake
shallow foundation
shallow geothermal energy
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/12/22 21:52:14