1) valuable hardwood tree species
珍贵阔叶用材树种
1.
After introducing valuable hardwood tree species resources in subtropical area, we reviewed some studies of valuable hardwood tree species in past.
本文在阐述亚热带珍贵阔叶用材树种种质资源情况基础上,对所开展的珍贵阔叶用材树种的研究做了回顾。
3) fine and valuable hardwood tree species
优良珍贵阔叶树种
1.
The definition for the fine and valuable hardwood tree species is put forward and the ecological and reproductive characteristics of those tree species are essentialized at first in this paper.
在对优良珍贵阔叶树种的概念及其繁殖特性和生态特性等进行简要归纳的基础上,结合现有技术与生产实践经验,提出适合我国南亚热带地区优良珍贵树种发展的六种经营模式,这些经营模式对我国南亚热带地区以经营马尾松、杉木人工林为主的林业局(场),在进行树种、林种结构调整等营林活动时,具有重要的参考价值。
4) rare timber-use tree species
珍贵用材树种
1.
The survey on rare timber-use tree species in Fengkai county of Gongdong province was carried out.
文章对封开县珍贵用材树种进行调查和分析,结果表明:封开县珍贵用材树种有14科19属27种,其中裸子植物4科5属5种,被子植物10科14属22种。
5) valuable hardwood species
珍优阔叶树种
1.
Large-size timber plantation of valuable hardwood species can combine high-quality hardwood production with biodiversity conservation and great pursuit on ecological benefit and stability of forest ecosystem,and successfully achieve forest sustainable management.
在我国南亚热带地区培育珍优阔叶树种大径材人工林,可以兼顾珍贵用材生产和生物多样性保护、生态效益最大化追求、森林生态系统稳定性维持,实现森林可持续经营。
6) rare tree species
珍贵树种
1.
The distribution situation and protective value of the first lot of 25 local key protective rare tree species of Fujian Province publicized by Fujian Provincial Government in Aug.
对2001年8月福建省政府公布的25种福建省第一批地方重点保护珍贵树种的分布情况及保护价值作初步研究,分析其濒危现状,并就加强珍贵树种资源保护工作提出建议。
补充资料：珍贵
贵重；值得珍爱、重视：其画尤珍贵｜珍贵的礼物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条