英语人>网络例句>丛生 相关的搜索结果
网络例句

丛生

与 丛生 相关的网络例句 [注:此内容来源于网络,仅供参考]

The regeneration way of bud clumps was adopted to establish a rapid technique system of propagation in Oncidium in this experiment.

笔者主要采用正交设计安排试验,探索通过以丛生芽途径再生植株的方法进行快速繁殖。

Through above research, it was tried to find the main factors and improve the propagation coefficient and build up the superior regeneration system in Oncidium in the paper.

以期筛选出最优技术参数组合,提高丛生芽增殖系数,建立文心兰最优再生体系。

They carved out an orchard where there was wild grass.

他们在曾是野草丛生的地方开辟了果园。

An area thickly overgrown usually with one kind of plant.

通常只有一种植物的簇叶丛生的地区。

An overgrowth of ivy on the old house.

丛生长的常春藤。

Tall perennial grass of pampas of South America having silvery plumes and growing in large dense clumps.

南美多年生蒲苇草,有银色的羽状花序,丛生且稠密。

The Patagonian Mara lives in Central and Southern Argentina. Maras inhabit arid grasslands and scrub desert.

它分布于阿根廷中部和南部的缺水的草原和灌木丛生的沙漠地带。

The distribution pattern of ten Tsuga tchekiangensis populations in the Mang Mountain were analyzed by the variance/mean ratio method,and their aggregated intensities were were measured by using the following indices:negative binomial parameter,dispersal index,clumping index,crowing mean index and patchiness index.

采用方差/均值比率法对10个南方铁杉种群的分布格局类型进行了分析,同时,采用负二项式参数、扩散性指数、丛生指数、平均拥挤度指数和聚块性指数计测这些种群的空间聚集强度。

And such methods V/m ratio t-test, negative binomial parameter, index of dispersion, Cassie index, index of clumping, index of mean crowing and index of patchiness are employed to analyse various dominant populations of Heptacodium miconioides community in the Tiantai Mountain in Zhejiang province and distributive patterns of Heptacodium miconioides community in different quadrats, and this paper also examines the intensity of Heptacodium miconioides population in different quadrats by means of stand classes.

摘 要 以浙江省天台山七子花群落为研究对象,采用相邻格子样方法取样数据,应用方差/均值比的t检验法、负二项参数、扩散型指数、Cassie指标、丛生指标、平均拥挤指数和聚块性指数等方法,分析了七子花群落各优势种群以及七子花种群在各样地中的分布格局,并分立木级对七子花种群在不同样地内的集群强度进行了测定。

We studied its distribution pattem by using the following measures f the test for fitting to the poisson , negative binomial and neyman a distribution . at the same time , we use negative binomial parametef , dispersal index , patchiness index , cassie s index and clumping index , estimated the aggregation intensity . the results showed that the distribution pattern is typically aggregated , and the intensity of aggregation vari

经统计分析,青岛百合复合种群、各局部种群内个体的分布格局离散分布拟合的结果符合负二项分布;各聚集强度参数中,丛生指标)和 cassie 指标均大于o ,负h项参数限)均较小,扩散系数k卜扩散型指数)和聚块性指标均大于1 ,以上这些表明各个局部种群的分布格局都为聚集分布。

第11/37页 首页 < ... 7 8 9 10 11 12 13 14 15 ... > 尾页
推荐网络例句

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。

The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

中文摘要:几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher