effects of weather condition in spring on particulates density on conifers leaves in beijing

progress of cone and seed insect pest of china conifers

中国针叶树种实害虫研究进展

application of steady state mineral nutrition principle to fertilization of potted conifer seedlings

稳态营养原则在杉木、湿地松苗木施肥中的应用

a study on water parameter of seedlings of four conifer species in the south of china under water stress

水分胁迫下南方四种针叶树幼苗水分参数的测定

advances on the yield in seed orchard of chinese conifers

我国针叶树种子园结实量的研究进展

introduction of new varieties of farmland shelter conifers in west part of heilongjiang province

黑龙江省西部地区农防林针叶树新品种的引选

application of pcr sscp in genetic analysis of conifers

PCR-SSCP用于针叶树种遗传分析的可行性

conifers constitute about a third of the world's forests.

针叶树林约占世界森林的三分之一。

study on responses and mechanism of precious conifer leaves decomposition to exogenous substance

珍贵树种针叶分解对外源物质的响应及其机制的研究

interspecific variation in physiology of conifer and analysis by fuzzy cluster

模糊聚类在松属种间生理差异中的应用

choice of isozyme markers for genetic studies in conifer tree species

针叶树种遗传研究中同功酶选择的探讨

you may have seen conifers growing around where you live, too.

你在你生活的地方可能也看到过针叶树。

investigation of soil animal community of artificial conifer forest in lushan

庐山人工针叶林土壤动物群落调查

study of the system of the mineral availability in china mineral element distribution in conifer trees

我国矿产资源可供性系统研究针叶树木中矿质元素的分布

classification proposed for conifers according to the anatomical features of the wood

从木材解剖特征初拟针叶树分类系统

dust absorption effect of urban conifers in northeast china

东北地区城市针叶树冬季滞尘效应研究

system of automatic grading of conifer seedling by computer vision

针叶树种计算机视觉苗木自动分级系统的研究

this study has an important theory and application value for vegetative propagation of conifers.

该研究对针叶树的无性繁殖具有重要的理论和实际应用价值。

study on extraction of computer vision feature of conifer seedling

针叶苗木计算机视觉特征提取方法

summary of conifer introduction in forest botanical garden of heilongjiang province

黑龙江省森林植物园针叶树引种的剖析

a study on drought-resistant mechanism of four conifer species

4种针叶树抗旱性研究