Since the intensification of urbanization, it not only brought great economic benefits, but also the population explosion, excessive building density, terrible traffic jam, and other problems.
城市化进程的不断加剧，在产生巨大经济效益的同时，也带来了城市人口膨胀、建筑密度过大、交通严重堵塞、环境持续恶化等一系列的问题。
Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.
并提出用害虫种群潜在密度确定卷叶螟经济阈值的方法。
According to the viewpoint of economic effect of induStrial enterpriSe, Several expreSSionS of economical current denSity for overhead line conductorS are derived in thiS paper.
从工业企业经济效益的观点出发，文中推导出架空导线的经济电流密度的几种表达形式。
Define horn fruit layers of thickness and horn fruit layers of density rape important colony quality index; it is the comprehensive economic indicator too.
明确了结角层厚度与结角层密度是油菜重要的群体质量形态指标，也是综合性经济指标。
The species' density of the gypsy moth will be controlled under economic permitted level.
终将舞毒蛾的种群密度控制在经济允许水平之下。
This article analysis the quantitative relations between the single quality of a colony of rice plant and the density, output and economic coefficient.
本文分析了水稻群体的个体质量分别与密度、产量和经济系数之间的数量关系；
This paper studies the reasonable well pattern density, well pattern infill time, well pattern types and economic evaluation etc. using numerical simulation.
采用数值模拟对孤岛油田合理井网密度、井网加密时机、井网类型以及经济评价等方面进行了研究。
The effect of the sowing date and density on the main economic characters were analyzed in tumorous stem mustard.
为给茎瘤芥的标准化栽培技术提供依据，研究了播期和密度对茎瘤芥主要经济性状的影响。
Much attention is paid on the economic current density in the conductor.
很重视对导体中的经济电流密度的评估。
According to the analysis of volume and economic benefit, the optimum initial planting density and rotation are determined.
同时经过经济效益分析，得出了最佳初植密度和最佳采伐年龄。
We studied the density on Xinyu no. 9. The result showed that: 1 Economic yield density assume asymptote model; Economic coefficient density, exponential decay curve.
研究了新玉9号正交种的密度效应，结果表明：1经济产量—密度方程呈渐近线型，经济系数—密度方程呈指数下降型。
Now, the conductor section is selected in accordance with the economic current density stipulated in the code currently in effect which is issued in 1956.
目前我国规程规定仍按1956年制定的经济电流密度选取导线截面。
As the city struggles to accommodate its highest population in history, past efforts to control density coupled with economic hardships have led to infrastructure surpluses and abandoned buildings.
随着城市努力适应历史上的最高人口，过去对于控制人口密度及经济困难的努力，导致基础设施过剩以及大量的废弃建筑物的产生。
The corresponding reasonable production and well spacing density to the three kinds of reservoir were calculated by using the method of economic limit evaluation and numerical simulation.
本文主要利用经济极限评价方法和数值模拟的方法确定出三类储层的合理产量以及井网密度。
Population density of more serious for China in the right neck, right state of information was followed by economic inequalities.
生齿密度为中国于较年夜严重有权在脖子上，右其次经济不服等况材料。
On spatial, there are high pollutants concentrations in active economic areas with high density of population.
空间上，经济活跃、人口密集点污染物浓度高。
The paper summarizes the current situation of medium density fiberboard (MDF) assembly lines, which being introduced and analyzed the economic returns of these (MDF) assembly lines may produce.
综述了我国引进中纤板生产线的概况，并对其生产线作出经济效益评价。
Then the methods of economic is used to obtain limit well pattern density and reasonable well pattern density.
然后利用经济方法评价井网密度，得到极限井网密度和合理井网密度。
Aeration method within deep well can handle organic Wastewater of high density. This method possesses an obviously environmental, social and economic gain.
深井曝气法能处理高浓度有机废水，它具有明显的环境效益、社会效益和经济效益。
The social and economic characteristics in pastoral area are small population density and great contradiction between forestry and animal husbandry.
牧区（风沙区）具有人口密度小，林牧矛盾突出的特点。
These strategies will serve as an effective reference for other similar construction of high-density urban centers to construct an economic and efficient pedestrian system.
这些策略对我国其他类似的高密度城市中心区建设经济、高效的步行体系将起到有效的借鉴作用。
These strategies will serve as an effective reference for other similar construction of high-density urban centers to construct an economic and efficient pedestrian system.
这些策略对我国其他类似的高密度城市中心区建设经济、高效的步行体系将起到有效的借鉴作用。
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