population density的例句大全

In australia, the low population density made flier distribution a difficult job.

因为澳洲人口密度很低，传单的派发比较困难。

Super rice is characterized by high population density, high leaf area index and needing much fertilizer.

超级稻具有群体密度大，叶面积指数高，施肥量多等特点。

From then on, population suburbanization continuously developed outward, with presence of continuous decrease of population density gradient and shift from abruptness to plainness of Population Density Distribution Curve in term of space.

自20世纪80年代启动以来，上海人口郊区化不断向外推进，在空间上表现为人口密度梯度的不断降低、人口密度分布曲线由陡峭逐渐趋向平缓。

The Fractal Model of Urban Population Density& Decay and Its Related Forms: Derivation and Synthesis of Clark Model and Sherratt Model

城市人口密度衰减的分形模型及其异化形式&对Clark模型和Sherratt模型的综合与发展

It has about half of the population density of Seoul and is circled by six ring roads that encourage automobile use and urban sprawl.

北京的人口密度只有首尔的一半左右，它被六条环路层层环绕着，这种布局对人们驾车出行以及城市摊大饼似的向外扩张起了鼓励作用。

An Econometric Study on the Urban Population Density Functions: A Survey

城市空间人口密度模型研究综述

Population density at the beginning of the increase phase and length of the increase were most responsible for variation in peak densities of population fluctuations of both species.

增加初始阶段的种群密度及时间长度是造成两种动物种群波动峰值不同的主要原因。

Statistics Analysis on the Relationship of Highway Net Density with Population Density and Per Capita GNP in National Regio

国家区域公路网密度与人口密度、人均GNP关系的统计分析

Quorum sensing is an environmental-signal-sensing system in bacteria. It is relies upon the interaction of a diffusible signal molecule with cell population density.

群体感应（Quorum Sensing）是细菌检测自身群体密度大小的环境信号感受系统，在细菌细胞间信息交流中具有极其重要的作用。

Early and late frost, Dedrolimus superans, sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density.

早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量，进而间接地使鞘蛾种群密度降低。

Population density will affect the space available for the excreta disposal system and thus the type of system.

人口的密度会影响到排泄物处理系统的可用空间和种类。

Australia has a very low population density.

澳洲人口密度很低。

Neither socioeconomic status, latrine density, population density nor study year had a significant influence on disease risk.

社会经济状况、公厕密度、人口密度以及研究年份都未对患病风险产生重大影响。

Lure effects of trap with creaked wheat depend on different population density.

碎麦诱捕器在不同虫口密度下诱捕效果明显不同。

the link was most pronounced in the south, perhaps because of its greater population density as well as southern migration due to the cold.

战争与气候的这种关系在南方表现得尤为突出，这也许是因为南方的人口密度较大和由于寒冷引起的人口南迁造成的。

to the seasonal variation, the highest population density of kestrel appeared in autumn, and lowest in summer, in winter the population density was a little lower than autumn.

种群密度最高和最低季节为秋季和夏季，冬季红隼种群密度稍低于秋季，这可能由于部分红隼冬季南迁引起。在空间上，不同区域红隼种群密度也具有明显的差异。

Study on the Dynamic Change of Population Density and Distribution of Endophytic Bacteria in Hami Melon Plants in Xinjiang

哈密瓜内生细菌菌群密度及分布动态新疆哈密瓜细菌性斑点病病原的鉴定新疆哈密瓜内生细菌的种群、分布动态及其抗菌作用研究

Comparative Study on the Growth and Population Density of Paramecium under Five Formulas

5种配方对草履虫生长及种群密度的影响

the experiment study on spatio-temporal simulation of urbanizing regions based on ca integrated with population density model; different frequency solution of wcdma indoor coverage in large city, dense urban areas

人口密度模型与CA集成的城市化时空模拟实验特大型城市、密集城区WCDMA网络室内覆盖的异频解决方案

The average population density and biomass increased gradually from valley to mountain top.

地上垂直分布调查表明，蚯蚓生物量与个体密度从山谷到山顶逐渐增多。