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- nonlinear population system 半线性加权种群系统
- Semi - discrete model of nonlinear population evolution system 一类非线性种群发展系统的半离散模型
- At last, according to the theory of Pest Population System Control, the biological control system of DBM was established and was practiced in the vegetable field. 最后根据害虫种群系统控制的理论与技术，以得到的小菜蛾生物防治的防治目标为基础，将上述各项生物防治措施有机地组合在一起，建立了小菜蛾生物防治系统，并在大田中进行了检验。
- age - dependent nonlinear time - varying population system 非线性种群系统
- The article connects populations、system alteration with industrialization, It points out that population pressure is the power to system creation. 摘要本文将人口、制度变迁与工业化三个经济变量有机地结合起来，说明人口压力是制度创新的动力。
- On the Optimal Control Problem of a Nonlinear Elliptic Population System 非线性椭圆型种群模型的最优控制问题
- mathematical models of population system 人口系统数学模型
- population system dynamic behavior 人口系统动态特性
- time - varying population system 时变种群系统
- THE PROPERTY OF THE SOLUTION OF A NONLINEAR POPULATION EVOLUTION EQUATION 非线性种群发展方程解的性质
- Stability of Equilibrium Solutions for Nonlinear Population Growth Equation 具有多平衡解的种群发展方程的稳定性
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- A desert has no settled population. 沙漠没有固定的居民。
- The Control on the Sum of Bearing Rate in the Population System 人口方程的总和生育率的控制
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少？
- Stability of a Fish Population System With Nonlinear Integral Bourdary 具有非线性积分边界的鱼群系统的稳定性
- Disease has decimated the population. 疾病使大部分人死亡。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- What is the population of Ireland? 爱尔兰人口有多少?
