1) heartwood tree
心材树种(林)
2) yielding timber plantationsion
用材林树种
3) species of crop and tree
林种树种
4) Landscape tree
园林树种
1.
This paper was based on the investigation of landscape trees in various green land to carry out the directories of landscape trees, common and potential use species and native species in Taiyuan city, and analyzed their growth and ornamental characteristics and use in landscape, and concluded the blooming time of main trees for flower view.
采用实地调查与分析相结合的方法,对太原市不同绿地类型的园林树种及其应用情况进行了调查,在整理出太原市园林绿化树种、常用及应用前景较好树种及乡土树种名录的基础上,对其生长习性、观赏特性和园林用途进行了分析;观察总结了主要观花树种的初花期。
5) afforestation species
造林树种
1.
Through study of re-reclamation afforestation on mining district of Daye iron mine in Huangshi city, the authors found that the afforestation species suitable to re-reclamation of mining district are Vetch leaf Spphora, Hankow Willow, Chinese Arborvitae and Fortune Firethorn with additional of such auxiliary measures as pulling trough and digging pit and adding filler etc.
通过对黄石大冶铁矿矿区复垦造林研究 ,筛选出适宜矿区复垦造林树种为刺槐、旱柳、侧柏与火棘。
2.
To meet the needs of afforestation in particular natural conditions in Yuanmou dry and hot valley, the quantitative selection research of drought resistant and heat resistant afforestation species was carried out.
针对元谋干热河谷区特殊的自然条件，为荒山造林所需，开展抗旱耐热造林树种的定量选择研究。
6) main afforestation tree species
造林树种
1.
The dissertation chose the main afforestation tree species Patycladus orientalis, Larixprinapiam-rupprech.
通过运用MATLAB软件对各树种蒸散量与影响因子进行主成分分析，得出其主要影响因子，进而模拟出主要造林树种苗木蒸散量与主要影响因子的模型。
补充资料：东北轻合金加工厂生产的铝合金挤压管材和空心材
东北轻合金加工厂生产的铝合金挤压管材和空心材
睽铝合;;:;;;、:;产的
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