mountain spruce (Picea Engelmanoii)是什么意思

网络释义

用法例句

Study on the Degradation of 9 Species of Edible Fungi to Spruce Lignin and Cellulose;

9种食用菌对云杉木质素及纤维素降解的研究

Approach on Eliminate Spruce Woods of Diseases and Pests in Maixiu Forest Zone Huangnan;

浅谈黄南州麦秀林区云杉病虫害木清理

Gene Differentiation in Natural Population of Picea asperata and Sampling Strategies for Ex situ Germplasm Resource Conservation;

云杉天然群体基因分化与种质资源异地保存抽样策略

Growth Trait Variation of Picea asperata at Seedling Stage and Provenance Selection;

云杉种源苗期性状变异及种源选择初步研究

Genetic differentiation and Provenance Division of Natural Population in Picea asperata;

云杉现有天然林的遗传分化和种源区划分

Comparative Study on Picea and Abies in Hengduan Mountainous Areas;

横断山区云杉林与冷杉林的对比研究

Progress in Genetic Diversity of Picea at Phenotype and Allozyme Level;

云杉表型与同工酶遗传多样性研究进展

Scanning electron microscopic observation of the needles in picea were des-cribed,the results showed that,the cuticular layer of surface needles was equal thick ei-ther on upside or on reverside epidermis.

对针叶树云杉的针叶进行了表面结构的观察。

Control Effect of Glyphosate on Weeds in Seedbed of Picea asperata Mast.

草甘膦对云杉苗床杂草的防除效果

Zucc and Picea Asperata Mast.

文中利用人工气候室试验研究了高CO2 浓度和土壤水分胁迫对红松和云杉的影响 ,结果表明 :CO2 浓度升高使红松和云杉生长量的增长率提高 ,土壤水分胁迫使树木生长量的增长率下降 ,且CO2 浓度升高的正效应要小于土壤水分胁迫的负效应。

Picea and Abies pollen percentages are more than 20[WTB3]%[WTBZ] in Picea or Abies forest and less than 5[WTB3]%[WTBZ] where Picea or Abies trees absent.

云、冷杉林中云杉、冷杉花粉高于20%,无云杉植物存在时云、冷杉花粉低于5%;

The growth of spruce and fir needles is determinate.

云杉和冷杉的针叶生长是有限的。

The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar.

最常用的木料是道格拉斯冷杉，铁杉，云杉，松木以及其他一些杉木。

Conifer tree style such as pine, fir, spruce, redwood, cypress, etc.

针叶类树包括松树、杉树、云杉、红木、柏树，等等。

Conifer tree style such as pine, fir, spruce, redwood, cedar, etc.

针叶类树包括松树、杉树、云杉、红木、雪松，等等。

Conifer tree style such as pine, fir, spruce, redwood, juniper, etc.

针叶类树包括松树、杉树、云杉、红木、刺柏，等等。

Gorals seldom feed on Pinus koraiensis,Picea jezoensis,Abies nephralepis(1%,0.7% and 1.7%,respectively).

斑羚在冬季食红松、云杉、冷杉较少(1%、0．7%、1．7%)。

A PRELIMINARY STUDY ON PHOTOSYNTHESIS OF PICEA BRACHYTYLA VAR. COMPLANATA AND ABIES GEORGEI

滇西北亚高山云杉和冷杉光合作用的初步研究

Soil samples were collected from spruce, hemlock and pine forests in central Taiwan.

土壤样品采自台湾中部的云杉、铁杉林与草地。

Spatial structure of mixed larch-spruce-fir stands

长白落叶松-云杉-冷杉混交林林分空间结构分析

tall spruce of northern Europe and Asia; resembles Norway spruce.

欧洲北部和亚洲的一种高大的云杉；与欧洲云杉相似。

The photosynthetic responses determine the habitat of P. rubens and P. Mariana in the climax forest.

光合反应决定红云杉和黑云杉在顶极林中的生态环境。

Physiological Response of Nenjiang Spruce and Korean Spruce to Drought and SO_2 Stress;

嫩江云杉和红皮云杉对干旱与SO_2胁迫的生理响应

RAPD Analysis on Genetic Diversity of Picea mongolica(H.Q.Wu.) W.D.Xu and its Close Relative Species P.koraiensisNakai and P.meyeriRehd. et Wils

沙地云杉与近缘种红皮云杉和白扦遗传多样性的RAPD分析

Relationship between Volatile Matters from Picea jezoensis and Endangerments of Monochamus urussovi

鱼鳞云杉干部挥发性成分与云杉大黑天牛危害的关系研究

Determination of the effective accumulated temperature of Ips typographus within spruce tree in parasitic damage period

云杉八齿小蠹在云杉内寄生为害期有效积温的测定

Relationships between Timber Anatomical Structure of Picea jezoensis and Damage by Monochamus urussovi

鱼鳞云杉干部显微解剖结构与云杉大黑天牛危害的关系

Seed zones of Chinese forest trees--Seed zones of Picea asperata Mast.

GB/T8822.12-1988中国林木种子区云杉种子区