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单词 Pinus
释义 pi·nus 英paɪnəs美paɪnəs COCA⁷²⁶⁵⁰BNC⁶⁹⁹⁵⁴
基本英英例句例句
n.松属⁴⁵;松果体⁵⁵

Noun:
type genus of the Pinaceae: large genus of true pines
名词100%
用作名词The preliminary study on geohistory of Dendrolimus punctatus and its host plants, Pinus spp.马尾松毛虫及其寄主松属植物的地史初步考证。
Cleavage polyembryony occurs in some gymnosperms, e.g. in Pinus, but usually only one embryo develops to maturity.裂生多胚现象通常发生在一些裸子植物中,例如松属,有时仅有一个胚可以发育成熟。 Finally, above ground biomass and carbon stock of Pinus yunnanensis were estimated with S model and surface reflectance image.
最后以大气校正影像的 S函数模型为云南松地上生物量模型估算了研究区域云南松林的地上生物量和碳储量。 www.kib.ac.cn

In species of Pinus which are polycyclic flower initiation must occur over a wide time range.
具有多环球花的松树属种,其花的孕育期会延续较长的时间。 jukuu

The analysis of the community important value showed that Pinus Massamiana and Cyclobalanopsis Glauan was the main dominant species in the community.
群落重要值分析表明马尾松和青冈是该群落的主要优势种。 cnki

The ash content of the Pinus tabulaeformis branches is less than0.52% in the northwest margin areas.
城区西北边缘的公园区灰分含量最低,其值小于0.52% 。 cnki

The dynamics of individual and population biomass of natural Pinus yunnanensis were studied in order to provide references for maintaining high yield and quality forest of Pinus yunnanensis.
了解天然云南松个体和种群生物量动态变化规律,为培养优质丰产云南松林提供参考。 nfnyxb

The ether extract content at different part of Yunnan pine Pinus yunnanensis individual was studied by adopting one experimental site and two natural superior stands as the targets.
以云南松的一个试验点和两个天然优良林分为对象,研究了云南松个体不同部位乙醚提取物含量的特点。 cnki

The major matter in the seed of Pinus massoniana L. was fats, and protein was second.
马尾松种子贮藏物质以脂肪为主,蛋白质次之; cnki

The Pinus pollen mainly derives from Jiaodong peninsula, on the northwest of the bay, and the deciduous and broad-leaved arbor pollen from Yuntai mountain.
笔者认为该区的松花粉主要来自西北部胶东半岛;落叶阔叶乔木花粉来源于连云港市云台山; cnki

By the hierarchical sampling methods, the spatial structure of biomass was analyzed for the ecosystems of pure Pinus massoniana plantation and the mixed P.
通过分级取样测定法,对马尾松纯林及其林下套种格氏栲的混交林生物量空间结构进行了分析。 dictall

Origin, phylogeny and spreading of Pinus were discussed based on studies of phylogeny, fossil history and modern distribution is of Pinus. The centre of distribution is in North America.
在松属的系统演化、化石历史和现代分布研究的基础上,讨论了松属的起源、演化和扩散问题。 cnki

Presently, these aerially seeded Pinus massoniana stands are distributed over different sites, live on the different growing stages and have different stands densities.
目前这些马尾松飞播林分布在不同的立地类型,处于不同的生长发育阶段,林分密度差异也较大。 dictall

Shannon index, Simpson index, etc, are used to measure species diversity of Pinus armand ii community in the Qinling Mountains.
应用香农指数、辛普森指数等多样性指数对秦岭林区华山松群落的物种多样性进行测定。 iciba

The methods of plots arranged with age and growth equation were used to calculate the individual, population, aboveground and underground biomass of Pinus yunnanensis.
采用样地编年序列法,并利用生长方程计算不同林龄云南松的个体生物量、种群生物量、地上生物量和地下生物量的变化规律。 nfnyxb

The results show that the10 species of Pinus are all of long fibre scope for fibre industrial raw materials.
结果表明,这10种松树都是长纤维范围,是造纸和钎维工业的优质原料。 cnki

This paper is a preliminary study to carry out quantitative classification by using the method of polar ordination in Masson's pine Pinus massoniana pure forest.
本文是在马尾松纯林中应用极点排序法进行数量分类的初步研究。 cnki

With advanced calculating tools, making Pinus tabulaeformis artificial forests density control diagram, which reaches the precision requirement through the test.
利用先进的计算工具,编制了“子午岭油松人工林密度管理图”,经检验达到了精度要求。 cnki
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