查询词典 density of population

The key is to take views of things over the long haul. Chinese population density, is very high, expecially developed countries'prohibition to overly autos. The world must not allow each person own a car in the future. The time, at which America developed the auto industry, was totally different from the current situation China faced, though America made a great success. We can make airplane, train, aircraft carrier and other more advanced technology. Why must we make autos?

关键是从长远的观点看问题，中国的人口密度，特别是大城市不允许拥有过多的汽车，世界将来的格局也不允许人人都拥有汽车，美国发展汽车的那个时代与当今中国面临的境况完全不同，他能走通你未必能走通，到什么山上唱什么歌，完全可以跨越一些路径，发展更为先进的理念，飞机可以做，火车可以做，航母也可以做，为什么非得做汽车呢？

This is mostly because of Alaska's low population density.

这主要是因为阿拉斯加的人口密度低。

The Bestiary has such useful details as actual movement speeds, life-cycle chronology, population density, etc., and was once used by the Dallas Museum of Natural History for an Olympics tie-in exhibit on animal running speed and jumping distances because it was the only single place with those details.

在动物寓言已成为实际的移动速度，生命周期年代，人口密度等，这些有用的详情，以及曾经使用了达拉斯自然史博物馆为配合奥运会的运行速度动物展览和跳跃的距离，因为它是只有一个地方的这些细节。

The results showed that the population density and biological rhythm of the scale insect were contrasted with the content of VB2 and the VB2 content in the two pollution districts were significantly higher than that in the cleaning district.

结果证明，污染区国槐枝条和叶片的VB2含量极显著地高于清洁区；VB2的变化与虫口密度呈正相关关系，回归式为y=1507.76x-170.56，相关系数r=0.839。

The result showed that with the increasing of density, plant height was increased, stem diameter and ear diameter was decreased, ear was shorten, rare top length、No. of ear nod、ear height was increased;brace root number and total root number was decreased, the rate of root dry weight was increased within farming layers; population dry matter accumulation was increased and plant dry matter accumulation presented the opposite trend; ear linage、kernels per ear、100-kernels weight、double-ear rate、plant yield was decreased, yield was increased and decreased successively.

结果表明：随群体密度的增加植株高度增高、茎粗、穗粗变细、果穗变短，秃尖长度、穗位节数和穗位高度呈现增加的趋势；气生根与总根数减少，耕层根系干重比例增加；群体干物质积累量随密度增加而增加，单株干物质积累量呈相反的趋势；穗行数、穗粒数、百粒重、双穗率、单株产量均随密度的增加而减低，群体产量先增后降。

This study aims to explore the following questions: differences of the genetic polymorphism among seasonal populations; differences of genetic diversity among four age groups and between two different gender populations; testifying the Ford and Chitty hypothesis; the relationship between the genetic diversity and geographic distance; the relationship between the genetic diversity and population density; edge effect on genetic diversity.

主要探讨以下问题：季节种群间遗传多态的差异；种群年龄组和性别间遗传多样性的差异；Ford和Chitty的假说；种群遗传多样性与空间距离的关系；种群遗传多样性与密度的关系；中心区、边缘区和半岛区种群遗传多样性的差异。

In a colonizing population of Datura stramonium, there was significant plasticity in specific leaf area, leaf area ratio and number of leaves; traits that are associated with light capture in response to high density.

在曼陀罗的移植种群中，比叶面积、叶面积比和叶片数都具有显著的可塑性，这些特征都与捕光能力对高密度的响应有关。

Objective:To investigate the variation of the population density and geographical distribution trends.

目的：探讨卡氏小鼠在云南中、西部地区的地理分布，在西部地区的季节变动和年度变动。

Speaking of demographic factors , the important ones are population size and its density, birthrate and distribution of ages.

说到人口因素，重要的是人口数量、密度、出生率和年龄分布。

A new concept of the population density field of China is proposed.

本文建立了中国人口密度场的概念。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。