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Principis
Principis
常用释义
词性释义
Principis
例句
全部
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