principis
美
英 
例句
Species evenness index of different growth types in Larix principis-rupprechtii plantation had no obvious regularity.
华北落叶松人工林不同生长型的物种均匀度指数没有明显的规律。
Safeguard workers right are th fundamental principis about society labour legislation.
保护劳动者权益是现代社会劳动立法所共同遵守的基本精神。
Presently, studies on Larix principis-rupprechtii population and community are rather insufficient.
目前,对华北落叶松种群和群落生态学的研究较为薄弱。
Studies on Pollen- Ovule Reaction before Fertilization of Larix principis-rupprechtiiMayr .
华北落叶松胚珠与花粉相互作用的研究。
Larix principis-rupprechtii has high adaptability and fast growth speed in the early years.
且华北落叶松在该地区除了具有较强的适应性外,更具有早期生长快和优良的速生性。
Techniques in establishment and management of cutting orchard of Larix principis-rupprechtii Mayr .
华北落叶松采穗圃经营管理技术。
Feasibility and Meaning of Planting High-yielding and Fast-growing Forest of Larix principis-rupprechtii Mayr .
营造华北落叶松速生丰产林的可行性及意义。
Morphological variance and natural types'division of plus trees of Larix principis-rupprechtii Mayr.
华北落叶松优树自然类型的划分。
Individual and family variations in rooting ability of Larix principis-rupprechtii Mayr.
华北落叶松扦插生根能力的遗传变异及选择。
STUDY ON POLLINATION BIOLOGY OF LARIX PRINCIPIS-RUPPRECHTII MAYR.
华北落叶松传粉生物学的研究。
Seed zones of Chinese forest trees--Seed zones of Larix principis-rupprechtii Mayr.
中国林木种子区华北落叶松种子区
Application of Fuzzy Superior Relationship on Arrangement in Eco- environment of Larix principis-rupprechtii Mayr
Fuzzy优越关系在华北落叶松生长的生态环境排序中的应用
Antioxidase activities and photosynthetic pigment contents in Larix principis-rupprechtii leaves along an altitudinal gradient
不同海拔华北落叶松针叶三种抗氧化酶活性与光合色素含量
Silvicultural partner experience on Larix principis-rupprechtii
华北落叶松造林成对比较试验研究
Discussions on pre-schedule Harvest cutting of Larix principis-rupprechtii plantations in northern Hebei
冀北地区华北落叶松人工林提前主伐利用的探讨
Selection of the Optimal Seedling-Raising Methods of Larix principis-rupprechtii
华北落叶松最佳育苗方法选择的研究
Site Condition Selection of Larix principis-rupprechtii in Western Part of Liaoning Province
辽西地区华北落叶松造林立地条件选择的研究
Relationship Between Soil Fertilities and Larix principis-rupprechtii Communities in Successional Stages
华北落叶松群落与土壤肥力的关系
Primary studies on the mRNA differential performance in Larix principis-rupprechtii during cold acclimation and nonacclimation
华北落叶松冷驯化与非冷驯化mRNA差异显示初步分析
Effect of Interception of Precipitation of Larix principis-rupprechtii Mayr Plantation in Mountain Land in North Hebei
冀北山地华北落叶松人工林对降水截留效应的初步研究
Experiment on Larix principis-rupprechtii Mayr introduction in east low mountain area of Hebei Province
冀东低山华北落叶松引种造林试验研究
Compilation of the growth table for Larix principis-rupprechtii Mayr man--made forest
华北落叶松人工林生长过程表的编制
Sustainable Pest Management of Larix principis-rupprechtii in Qilian Nature Reserve
祁连山自然保护区落叶松病虫鼠害可持续控制研究
Discussion on Rational Density of Larix principis-rupprechtii Plantation in Semi-arid Region
半干旱地区华北落叶松人工林合理密度探讨——以塞罕坝机械林场为例
Study on Dynamics of Soil Animals Community of Larix principis-rupprechtii May Forest in Guandi'Mountain
庞泉沟华北落叶松林土壤动物群落动态研究
Study on Diversity of Maro-animal Community in Larix principis-rupprechtii Forest in Guandi Mountain
关帝山华北落叶松林大型土壤动物多样性的研究
Analysis on Sowing and Cultivating Seedling of Larix principis-rupprechtii Mayr in Autumn
对华北落叶松秋季播种育苗的分析
Calcium Distribution During Pollen Development of Larix principis-rupprechtii
华北落叶松花粉发育过程中的钙动态分布
Production Experiment of High-quality Seed Base of Larix Principis-rupprechtii
华北落叶松林木良种基地生产试验
Fine-root Biomass of Larix principis-rupprechtii and Seasonal Dynamics of Forests
华北落叶松人工林细根生物量及季节动态
Study on Guiding Factors of Larix Principis-rupprechtii by Regression Design
最优回归设计在落叶松遗传转化体系主导因子优化筛选试验中的应用
Effect of continuous High Temperature on Larix Principis-rupprechtii
持续高温处理对华北落叶松的影响
Report on Selection and Breeding of Seed Orchard of Larix principis-rupprechtii Mayr
华北落叶松种子园选育报告
Study on management measures of Larix principis-rupprechtii stand
华北落叶松人工林经营措施研究
Promoting rooting of soft cutting of Larix principis-rupprechtii Mary
华北落叶松嫩枝扦插促根试验
Effect of Copper and Zinc on Activity of Polyphenol Oxidase in Larix principis-rupprechtii
铜锌对华北落叶松多酚氧化酶活性的影响
The spatial heterogeneity of throughfall under the Larix principis-rupprechtii single tree's canopy
单株华北落叶松树冠穿透降雨的空间异质性
The Effect of Ground Covering by Litter of Larix principis-rupprechtii to Reducing Velocity of Surface Runoff
华北落叶松枯落物覆盖对地表径流的拦阻效应
Study on the Seed Storage of L. Principis-rupprechtii
华北落叶松种子贮藏试验浅析