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- The results showed that, significant positive correlations existed between the total population size (POS), distribution of the breed (DIS) and extinction probability (P<0.01). 结果表明:品种的总群体数量、品种的分布区域与灭绝概率呈极显着正相关(p<0.;01);
- Epidemic Models with Quarantine and Varying Total Population Size 总人口变动的具有隔离项的传染病模型
- What is the total population of Japan? 日本的总人口为多少?
- STABILITY OF AN SEIS EPIDEMIC MODEL WITH CONSTANT RECRUITMENT AND A VARYING TOTAL POPULATION SIZE 一类具有常恢复率且总人口变化的SEIS传染病模型的稳定性
- The Reproductive Number of Age-Structured MSEIR Epidemic Model with Varying Total Population Size 总人口规模变化的年龄结构MSEIR流行病模型的再生数
- Control designment on a type of SEIS epidemic model of the varying total population size 一类具有变种群总数的SEIS传染病模型的控制设计
- The Reproductive Number of an Age Structured TB Epidemic Model with Vaccination in Varying Total Population Size 总人口规模变化和带接种疫苗的年龄结构TB传染病模型的再生数
- Stability of an SIR Epidemic Model with Vaccinal Immunity and a Varying Total Population Size 具有免疫接种且总人口规模变化的SIR传染病模型的稳定性
- Stability of an SIRI Epidemic Model with Immigration and a Varying Total Population Size 一类具有常数迁入且总入口在变化的SIRI传染病模型的稳定性
- The total population approaches three million. 总人口接近300万。
- The ratio of sample size to population size. 抽样规模与人口规模的比率。
- total population size 总群体大小
- The crash reduces the population size toward the original level. 随着暴跌,导致种群数量回到它的初始水平。
- Chinese Population Size: How many people are suitable? 中国人口数量:究竟多少亿才合适?
- Recent immigrants make up less than 3% of the total population. 近期移民占人口总数的不足3%25。
- Population size:Approximately 40,OOO brood sows in 1981. 数量:1981年有繁殖母猪4万头。
- Feel free to start with different population sizes. 您可以自由选择不同的人群大小开始。
- We made a census of the total population of the country five years ago. 5年前我们进行了全国的人口普查。
- Of the total population of this Australian city, seventy percent are white. 这个澳大利亚城市的人口中,百分之七十是白人。
- At the end of 2002,the total population of China was 1,284.53 million. 2002年末全国总人口为128453万人。