请输入您要查询的字词:
单词
rare plant
释义
rare plant
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。
随便看
single layer graphene
single-layer graphene
single-layer neural network
single-layer potential
single lens electronic view finder
single lens machine back viewfinder
single lens reflex camera
single lens reflex digital camera
single lens reflex finder
single-lens translucent digital camera
single lens viewfinder
single level
single level cell
single-level cell
single level cell, SLC
single-level standardization problem
single line
single-lined binary
single line diagram for hydropower station
single-lined spectroscopic binary
single-line operation
single line propagation
single linkage
single linked list
single liquid quenching
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:2026/6/11 21:07:13