population trend

美 [ˌpɑːpjuˈleɪʃn trend]英 [ˌpɒpjuˈleɪʃn trend]
  • 人口趋势
population trendpopulation trend
  1. A Neural-Network Based Forecast for Aging Population Trend in China

    基于神经网络的我国人口老龄化趋势预测

  2. The Effect of Technological Advancements on Population Trend in Jiangxi

    江西人口发展的技术进步因素影响分析

  3. Population trend index of the lab population was 77.45 , and the total survival rate of generation was 0.41 ;

    菜蛾实验种群的种群趋势指数Ⅰ为77.45,世代总存活率为0.41;

  4. The sixth national census has been concluded , the Gansu aging of the population trend is obvious .

    第六次全国人口普查已经落下帷幕,甘肃人口老龄化趋势明显。

  5. The index of population trend in treatment of spraying chemical insecticides was 7.20 , The index of population trend would increase in 1.43 times against that in control .

    施用化学杀虫剂的种群趋势指数()为7.20,干扰作用控制指数为1.43,即种群趋势指数将增长为对照的1.43倍。

  6. With the global economy developing , the improvement of healthcare has caused the aging population trend to grow ; therefore research on the pension annuity has become increasingly important .

    世界经济的发展、医疗水平的提高使得全球人口老龄化程度日益加深,因此对于企业年金的研究也变得越来越重要。

  7. When daily meant temperature reaches to 23 ℃, most of adults emerge . The occurrence amount can be forecasted by index Of population trend ( ⅰ) .

    日平均温度达到23℃时成虫大量羽化,发生量可以通过种群超势指数Ⅰ来预报。

  8. We will use the data information fully , and unifies my undergraduate course specialized to learn mathematical analysis software MATLAB which forecasts to 2030 the period Guiyang population trend of development .

    充分利用数据资料,并结合数学分析软件MATLAB预测到2030年期间贵阳市人口的发展趋势。

  9. The regression equations of the rates of hatching , larvae survival , emergence , the egg number laid by a female and population trend indices against temperatures were analyzed .

    测定了不同温度下莲雾毒蛾各虫态的存活状况,并就卵孵化率、幼虫存活率、蛹羽化率、产卵量和种群趋势指数等指标与温度的关系进行相关性分析。

  10. With the gradual improvement of living standards and health awareness , and the aging population trend , medical electronic products have been increasingly welcomed by the people ; human health care monitor is one of them .

    随着人们生活水平与健康意识的不断提高,以及人口老年化的趋势,医疗电子产品已经越来越受到人们的欢迎,人体健康监护仪就是其中之一。

  11. The survival rate of larva or pupa and whole generation , the number of egg oviposition and the lifespan of adult , population trend index exhibited parabolically trend in crease with the humidity .

    幼虫、蛹存活率和世代存活率、成虫产卵量、寿命和种群增长指数随湿度增加呈抛物线变化趋势。

  12. The population trend indices and survivals of its 1st and 2nd generations were 4 . 19 and 3 . 97 , and 5 . 82 % and 5 . 52 % , respectively .

    经生命表分析得出,该虫第1、2世代种群的趋势指数分别为4.19和3.97;世代的存活率分别为5.82%和5.52%。

  13. Without chemical insecticides in vegetable fields , the index of population trend ( I ) of dominant insect pest decreased greatly , the control effect of natural enemies on major insect pests increased , the diversity index of arthropod increased at the same time .

    停止化学杀虫剂使用后,菜田优势害虫种群趋势指数降低,天敌的控制作用明显增强,节肢动物多样性指数增大。

  14. Influence and Countermeasure on Education Development from the Population Development Trend of Shaanxi Province

    陕西人口发展趋势对教育发展趋势的影响及对策研究

  15. The Forecasting of the Population Development Trend of Gansu Province

    甘肃省未来人口发展的趋势预测

  16. But an estimator of a population economic trend from time series models , can not well represent individual economic trend .

    但利用时间序列模型对总体的经济趋势的估计不能用来描述个体的经济趋势。

  17. As a consequence of the population aging trend , old-age security has become a very pressing issue .

    随着人口老龄化趋势的发展,养老保障已成为一个十分突出的问题。

  18. With the fertility reducing and the average life span increasing , There appears population aging trend in Korea .

    随着近几十年生育率的持续下降及平均寿命的不断提高,韩国人口逐渐出现了老龄化趋势。

  19. The Dynamics Population Occurrence Trend of the Cotton Bollworm in Field of the Plant Cotton Area in the North of Henan

    豫北棉区田间棉铃虫种群发生动态趋势研究

  20. This paper firstly points out the transformation characteristic of China , then predicts the population development trend of China and all provinces in thirty years , lastly discusses the population space distribution of China in future .

    分析了我国人口的变动特点,并对未来三十年我国及省际人口的变动趋势作了预测,论述了我国未来人口的空间分布变动特点。

  21. With the development of rural society , rural flows accelerates , rural population aging trend is serious , family size become narrow , these changes have brought tremendous impact to the function of family support .

    随着改革的深入发展,农村社会经济迅速发展,农村人口流动速度加快,农村人口老龄化趋势严重、家庭规模缩小,这些变化对家庭养老带来了巨大的冲击。

  22. With the aging population growing trend and continuous improvement on the pension benefits , the financial crisis because of the gap of pension payments become a commonality problem of the whole world to face , China is no exception .

    随着人口老龄化趋势的不断加剧和养老金待遇的不断提高,由养老保险收支缺口带来的财政危机成为世界各国面对的一个共同性难题,我国也不例外。

  23. With the development of technology , health care level and the progress of human civilization , human mortality rate is reducing year by year . Population aging trend has begun to impact all over the world as a silver trend and become overwhelming .

    随着科技的发展,医疗水平的提高及人类文明的进步,人类的死亡率正在逐年下降,人口老龄化趋势已如同一股银色潮流开始冲击着全球,势不可挡。

  24. In the early stage and mid-late stage of cucumber growth period , if all natural enemies were excluded , the population development trend indices of B.tabaci would increase by 8.509 4 and 6.609 0 times those of current indices respectively .

    在春季黄瓜生长前期和中后期,如果排除全部天敌的作用,烟粉虱种群趋势指数将分别增长为现在的8.5094和6.6090倍。

  25. The global life expectancy has been increasing since last five decades . The population aging trend has becoming a fact and the financial deficits of the governments have getting worse and worse both accelerate the current old-age economic protection system to be in crisis .

    近半世纪以来,全球人口平均寿命延长,高龄化的趋势已是既定的事实,再加上政府财政赤字,促使现有的老年经济保障制度面临危机。

  26. The paper research on development of present situation of sports population characteristics and trend .

    着重研究我国体育人口发展的现状、特点和趋势。

  27. Russian Population Crisis and Trend of Development

    俄罗斯人口危机及其发展趋势

  28. Population with linear trend

    具有线性趋势的总体

  29. Senior living community is a new residential form which adapts our aging population structure change trend of the development .

    养老社区是适应我国老龄化人口结构变化趋势而发展起来的新型住区形式。

  30. Especially in the past five years , the auto demand and vehicle population appear a trend of fast growth .

    特别是最近5年里,中国汽车需求量和保有量出现了快速增长的趋势。