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current population中文是什么意思

  • 现有人口

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  • Their struggle is part of a global challenge : by 2050 the world ' s farmers must feed nine billion people ? three billion more than the current population ? without much expansion in the amount of land and water devoted to agriculture
    他们的困境其实也是全世界的挑战:到了2050年,全球农夫得喂养90亿的人口,比现在多出30亿,然而农业用地及灌溉用水却是固定不变的。
  • Every year , about 13 million rural people flood into china ' s cities , equivalent to the current population of beijing , vice minister of construction qiu baoxing told the fudan university international urban forum last week
    在上周末举行的“复旦大学国际城市化论坛”上,建设部副部长仇保兴说,我国每年约有1300万的农村人口涌向城市,这个数字相当于现在整个北京市的人口。
  • Every year , about 13 million rural people flood into china ' s cities , equivalent to the current population of beijing , vice - minister of construction qiu baoxing told the fudan university international urban over the weekend
    在上周末举行的“复旦大学国际城市化论坛”上,建设部副部长仇保兴说,我国每年约有1300万的农村人口涌向城市,这个数字相当于现在整个北京市的人口。
  • Every year , about 13 million rural people flood into china s cities , equivalent to the current population of beijing , vice - minister of construction qiu baoxing told the fudan university international urban forum over the weekend
    在上周末举行的“复旦大学国际城市化论坛”上,建设部副部长仇保兴说,我国每年约有1300万的农村人口涌向城市,这个数字相当于现在整个北京市的人口。
  • Every year , about 13 million rural people flood into china ' s cities , equivalent to the current population of beijing , vice - minister of construction qiu baoxing told the fudan university international urban forum over the weekend
    在上周末举行的“复旦大学国际城市化论坛”上,建设部副部长仇保兴说,我国每年约有1300万的农村人口涌向城市,这个数字相当于现在整个北京市的人口。
  • Every year , about 13 million rural people flood into china ' s cities , equivalent to the current population of beijing , vice - minister of construction qiu baoxing told the fudan university international urban forum over the weekend
    在上周末举行的“复旦大学国际城市化论坛”上,建设部副部长仇保兴说,我国每年约有1300万的农村人口涌向城市,这个数字相当于现在整个北京市的人口。
  • In the next section of this paper we describe a non - generational ga for multiobjective optimization problems ( mop ) . in it the replacement policy is such that an offspring replaces the worst one in the current population only if it is better then it
    在将错位交叉算子应用于多目标优化问题求解时,本文提出一种基于非群体迭代型的小生境多目标优化遗传算法,即算法迭代过程中不是更换种群全部或大部分个体,而是每次更新群体中最差的个体。
  • On the basis of the theories of promoting population mobility and of the situation influencing our country ' s current population mobility and the reality of the south - west area , this article analyses some factors , such as relevant policies , the level of economic development , natural environment , populations characteristics , anti so on have an effect of promotion and hindering on population mobility in south - west area of china
    摘要本文根据人口流动的内在机理,从现阶段影响我国人口流动的大环境及西南民族地区的现实区情出发,分析了相关政策、经济发展水平、自然条件、人口特征等因素对西南民族地区当前乡城人口流动的推阻作用。
  • By this way , the good individual makes the mutation direction and the bad individual searches the possible good individual . the mutated individual follows the advantage direction of current population , so it can jump local optimum and get the global optimum and it can avoid the semi - blind of conventional darwinian - type evolutionary computation
    这样,在利用优势个体确定变异方向的同时,借助劣势个体来搜索潜在的优势个体,使得个体变异既能沿着当前种群的优势方向前进,又能跳出局部最优,寻求全局最优,从而成功地克服传统达尔文演化策略的半盲目性。
  • In this paper , a method of emergence and survival of lacked allele is proposed , that is , selecting the characters missed in current population as lack allele set by comparing the character set with genes of the population , implementing simulated mutation to the individuals selected from the population by mutation rate , choosing the gene just mutated and its locus of the best individual from mutated individuals by fitness , and using it to mutate the genes in the same locus of original individuals
    提出一种缺失基因复现和存活的变异方法,即根据字符集中的字符在种群中的缺失作为预选变异基因集,然后对待变异个体集进行预变异;选择高适应度个体的对应变异基因和基因位,使其在原待变异个体集中扩散。
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Last modified time:Tue, 12 Aug 2025 00:29:56 GMT

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