树种
- 与 树种 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Casuarina equisetifolia, introduced into china in 1950s, had showed good adaptability and high productivity. It had structured a green wall and played an important role in defending wind, fixing sand, advancing ecological environment along the southeast coast in China.
木麻黄自从20世纪50年代引种到中国,在沿海地区已经有50多年的栽培历史,表现了很好的适应性和丰产性,在东南沿海建立了一道绿色的生态屏障,发挥了森林防风固沙、改善生态环境等重要效能,成为沿海地区沙地造林的主要树种,特别在海岸风口地段的造林具有不替代的地位。
-
Casuarina trees have good salinity tolerance , and the electrical conductivity experiment shows that the soil salinity level is low. As a result, it has small influences on growing of Casuarina trees.
由於木麻黄本身属於耐盐树种,经电导度试验结果显示,各试区土壤盐度不高,因此,对於木麻黄生长影响较小。
-
Tray craftwork takes technical wood as main material, the natural and rare bark of "cateye" lines as surface with beautiful patterns engraved by laser engraving machine at one time, and the natural Sapelli bark for bottom with waterproof varnish on both front and back side, which sets off the "cateye bark" and the beautiful pattern, solid and lifelike.
工艺托盘采用的是"高新技术产品"科技木为主要材料,选用仿真天然珍贵树种"猫眼"纹理制成的木皮做为托盘表面,美丽的图案经进口镭射雕刻机一次性雕刻成功,底面用天然沙比利木皮做成,正反两面都喷有防水亮漆,使得表面的"猫眼"木皮和精美的图案更加鲜艳,更加亮丽,纹理的立体感更强,栩栩如生。
-
Two tree species, Chionanthus retusa and Cedrela sinensis are important ones for forestation and garden greening.
流苏和香椿都是重要的造林及园林绿化树种。
-
Result The dust-retention amounts per unit area and the dust-retention amounts per plant of different tree species had bigger difference. Among trees, the dust-retention abilities of Ligustrum lucidum, Platycladus orientalis, Cedrus deodare, Platanus hispauiea anti Spohora japonica were stronger. Among shrubs, the dust-retention abilities of Viburnum odoratissimum, Pittosporum tobira, Euonymus japonicus and Lagerstroemia indica were stronger.
结果]不同树种的单位面积滞尘量、单株树木滞尘量均存在较大差异,乔木中,以女贞、侧柏、雪松、悬铃木和国槐的滞尘能力较强;灌木中,以珊瑚树、海桐、大叶黄杨和紫薇等的滞尘能力较强。
-
Pseudoverticillata, but there was no significant change in Celtis wightii. There was no significant change in leaf area specific hydraulic conductivity K(subscript l between the two seasons in all the three species, which may caused by the adjustment in hydraulic architecture through partial loss of leaves during the dry season. In the dry season, maximum carbon assimilate rate A(subscript max was significantly lower than that of the wet season in all the three species.
除油朴的枝条边材比导率K(下标 s在旱季和雨季没有显著性差异外,尖叶闭花木和轮叶戟的K在旱季都有显著的降低;而枝条的叶比导率K(下标 l三树种在两个季节间均无显著变化。K在旱季没有显著性降低,可能是常绿树种在旱季通过脱落部分叶片以调整其水力结构来保持较高的单位叶面积的水分供应。
-
Christian monasticism has varied greatly in its external forms, but, broadly speaking, it has two main species the eremitical or solitary, the cenobitical or family types.
基督教修道有很大的差别,在其外部形式,但大致来说,它有两个主要树种 eremitical或孤立, cenobitical或家庭类型。
-
ABSTRACT Anoplophora glabripennis is an invasive wood-boring cerambycid beetle that kills hardwood trees. The host range of this species is unusually broad but is not well de?ned in the available literature and may include tree species that have not been reported as hosts because they have not previously been exposed to the beetle.
光肩星天牛是一种能够导致硬树死亡的入侵钻蛀性天牛,它的寄主范围异常广泛,但在现有的文献资料中还没有被明确的界定,寄主可能包括一些以前因为没有机会接触到甲虫的树种,故没有被作为寄主而报道。
-
The results of this study show that for species of Chamaecyparis obtusa var.
结果显示桧木林型扁柏、松类林型的台湾二叶松、杉木、柳杉和相思树等树种皆可获得显著的地位生产力指数。
-
The seedlings could be regenerated naturally under forest canopy and are considered as shade-tolerance species. For exploration the adaptability strategy of Chamaecyparis obtusa var.
小苗可於冠层孔隙下下种更新成苗,而被视为耐荫性树种,然对於已更新成长为幼木阶段的台湾扁柏林木,其对现有林分环境的生长调适能力的暸解尚有限。
- 推荐网络例句
-
With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
-
But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
-
Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。