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- Propagandizing the scientific theory of population. 宣传人口科学理论,
- Variation of population density of kestrel can indicate kestrel's resident status and habitat preference. 通过红隼的种群密度可以反映红隼的居留状况和对生境的选择情况。
- Producing raster population surface is more accurate and natural than the traditional choropleth map of population density. 结果显示:用该方法生成的栅格化人口表面,较传统的地区人口密度分布图更加准确和自然。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- From then on, population suburbanization continuously developed outward, with presence of continuous decrease of population density gradient and shift from abruptness to plainness of Population Density Distribution Curve in term of space. 自20世纪80年代启动以来,上海人口郊区化不断向外推进,在空间上表现为人口密度梯度的不断降低、人口密度分布曲线由陡峭逐渐趋向平缓。
- The index of population density of dominant insect pest was increased greatly in those tea gardens with higher chemical insecticide expense, especially for tea leaf hopper (Empoasca vitis Gotho). 农药费用高的茶园优势害虫种群密度大,尤以假眼小绿叶蝉明显。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- IS THE POPULATION DENSITY OF CHINESE CITIES HIGH? 中国城市的人口密度高吗?
- This paper introduces a mathematical model for batch processes of crystallization according to the theory of population balance and uses Laplace transformation in its solution. 本研究根据粒数平衡理论;建立了间歇结晶过程的数学模型;并应用拉氏变换法将该偏微分方程简化为常微分方程求解;在此基础上发展了测定结晶动力学的动态测定法.
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- Based on the theory of demology, the types of population age structure are divided according to the different proportions of elderly population and young population. 按人口学理论,人口年龄结构的类型是依据老年人口或未成年人口在人口中的不同比例来划分的。人口年龄结构类型分为年轻型、成年型和老年型。
- The population density of the province is very low. 这个省的人口密度很低。
- The population density of this city is low. 这个城市的人口密度很低。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Japan has a high density of population. 口密度很大。
- Do you agree to the wave theory of light? 你同意光的波动理论吗?
- He cavalierly dismisses the theory of both Freud and Jung. 他傲慢武断地斥贬佛洛依德和杨格二人的理论。
- This paper studies evolution problem of population and discusses its sustainable development goal by using the theory of dissipative structures and nonlinear stability criteria for nonlinear system. 运用耗散结构理论对人口系统的演化问题进行了研究,并用非线性系统的稳定判据得出了人口持续发展目标。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。