网络释义专业释义英英释义
... population censuses 人口组成普查 population change 种群改变 population composition 种群组成 ...
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你可以让我 看 什么啊 » You can let me see what ah 人口变动情况 » Population Changes 很多人喜欢游泳和喝冷饮，所以很容易感冒。
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Agricultural Growth and Population Change 农业增长和人口变化
Population change situation 人口变动情况
Understanding Population Change 人口与老龄化研究
population change theory 人口变迁理论
population change and demand [经] 人口变化与需求
cell population change 细胞密度变化
plant population change 植物种群变化
china population change 中国人口转变
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人口变动 - 引用次数：14
However, administrative-only approach can hardly meet the needs nowadays. Birth control policy must adjust or perfect itself in adapting to changing factors related to population change.
但是单靠行政制约手段已难以适应新形势的需要,计划生育政策必须适应影响人口变动过程中各种因素的变化而不断调整完善。
参考来源 - 外来流动人口计划生育政策的有效性分析 -
人口变动 - 引用次数：2 参考来源 - 人口变动、土地利用和环境变化关系研究族群变化
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人口变动
·2,447,543篇论文数据，部分数据来源于NoteExpress
Population change
- abstract: population change refers to : "Population change means the change in the number of people in a specific area or country by migration,birth and death." by Saurav ♣♠♥♦₴₴₴₴₴₴₴₴₴₴₴₴₴
以上来源于: WordNet
双语例句原声例句权威例句
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"We're beginning to see a change in how people view retirement," says George Leeson, co-director of the Institute of Population Ageing at Oxford.
“我们开始看到人们对退休的看法发生了变化。”牛津大学人口老龄化研究所联合主任乔治·利森表示。
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The problems of excessive energy consumption, climate change and population growth have been described in a book by the American writer Thomas.
美国作家托马斯的一本书中描述了能源消耗过度、气候变化和人口增长的问题。
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Experts say drip irrigation is an innovation whose importance is growing, as climate change and rising population strain water supplies in many parts of the world.
专家表示，随着气候变化和人口增长对世界上许多地区的水资源供应造成压力，滴灌这种创新做法显得越来越重要。
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So a huge,vast population change."
VOA: standard.2010.03.18
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And so this is a substantial change in the interaction of a microorganism with a population, right?
所以这是微生物和人类,之间关系的一个巨大改变,对吧
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If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.
如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系
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