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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
jointed rock masses
joint entropy
joint estimator
joint exhibition
joint family
Joint FAO/WHO Expert Committee on Food Additives
Joint FAO/WHO Expert Meeting on Microbiological Risk Assessment
Joint FAO/WHO Meeting on Pesticide Residues
Joint Fisheries Commission of PRC and Japan
Joint Fisheries Commission of P.R.Chinaandthe Socialist Republic of Vietnamfor the Beibu Gulf
Joint Fisheries Commission of the People's Republic of China and Republic of Korea
joint forest management
joint function
Joint Global Ocean Flux Study
join theorem
join theorem for the computably enumerable Turing degrees
join theorem for the local Turing degrees
joint implementation
Joint Information Systems Committee,JISC
jointing fertilizer
jointing of magnesium alloys
joint inquisition of nine ministers
Joint Institute for Nuclear Research
joint intention
Joint International Conference of PG and PSC
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更新时间:2025/7/2 15:41:21