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Therefore, on Changbai Mountains if only timber production is considered, cutting the main coniferous species having the same diameter should be in the order: Abies nephrolepis, Pinus koraiensis, and Picea koraiensis.

单纯从木材收获的角度出发,在长白山地区,相同径阶下主要针叶树种的采伐顺序应为臭冷杉Abies nephrolepis,红松Pinus koraiensis和红皮云杉Picea koraiensis。

This text has made detailed exposition with macroscopic and the microscopic structural feature of the softwoods, emphatically in timber discern and nature classification, and in detail described some to represent the tree seed macroscopic and the microscopic characteristic, still shoot the timber to cut into slices through the optics microscope, in order to explain the main structural feature of the softwoods more ocularly.

本文就针叶树材的宏观与微观构造特征作了比较详细的阐述,着重于木材识别和性质分类上,并对一些代表树种的宏观与微观特征做了比较详细的描述,还借助光学显微镜拍摄木材切片,以便更加直观地说明针叶树材的主要构造特征。

Taiwan Jujube is a new tree species with high benefit and quick return of investment in heliogreenhouae orcharding.

摘要台湾青枣是温室果树栽培中效益高、投资回报快的新树种

Cold resistance color species of Padus racemosa of suitable cultivated in Xinjiang was examined, by low temperature treatment and conductivity measurement method.

以适宜新疆地区种植的彩色树种紫叶稠李为研究对象,通过低温处理,用电导法测定紫叶稠李相对电导率。

Tropical American shrub or small tree having huge deeply palmately cleft leaves and large oblong yellow fruit.

美国热带灌木或小型树种,大型深裂缝手掌状树叶,大型椭圆形黄色果实。

During the early growth stage of seedlings, basal stem diameter and paripinnate number were decreased with the increasing of shade, taproot length, root : shoot ratio, total dry weight and leaf area per seedling were maximal under 37.3% NS, specific leaf area was increased with the increasing of shade, but the relative growth rate was declined.

在不同光照梯度,即100%自然全光照(natural sunlight,NS)、37.3%NS、15.5%NS、4.2%NS、1.6%NS和0.6%NS的人工遮荫条件下,研究了西双版纳季节雨林冠层树种绒毛番龙眼幼苗的早期生长和定居后的生长特点。

Asian tree having clusters of usually white blossoms and edible peachlike fruit .

亚洲树种,串状丛生白花,桃形果实,可食。

Subcordatum were recorded with contiguous grid quadrate method. The results showed that the forest community was dominated by Acronychia pedunculata and Sinosideroxylon wightianum, as well as L. subcordatum.

调查结果表明四药门花所在的次生林群落以降真香、四药门花和铁榄等树种为优势。

Tropical American tree with large peltate leaves and hollow stems.

美洲热带树种,大型盾状树叶,中空茎干。

Recent molecular phylogenetic work has confirmed that Pereskia, a genus that consists of 17 species of leafy shrubs and trees, is where the earliest cactus lineages began.

最近的分子分类遗传学研究工作证实了:仙人掌最早的家族成员名叫Pereskia,Pereskia是一种17个多叶的灌木合树种组成的属种。

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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。。。。。。