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- Propagandizing the scientific theory of population. 宣傳人口科學(xué)理論,
- Variation of population density of kestrel can indicate kestrel's resident status and habitat preference. 通過(guò)紅隼的種群密度可以反映紅隼的居留狀況和對生境的選擇情況。
- Producing raster population surface is more accurate and natural than the traditional choropleth map of population density. 結果顯示:用該方法生成的柵格化人口表面,較傳統的地區人口密度分布圖更加準確和自然。
- The density of population in this city is very high. 這個(gè)城市的人口密度非常高。
- The area had a population density of five people per square mile. 該地區人口密度為每平方英里五人。
- 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世紀80年代啟動(dòng)以來(lái),上海人口郊區化不斷向外推進(jìn),在空間上表現為人口密度梯度的不斷降低、人口密度分布曲線(xiàn)由陡峭逐漸趨向平緩。
- 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). 農藥費用高的茶園優(yōu)勢害蟲(chóng)種群密度大,尤以假眼小綠葉蟬明顯。
- Do you know the density of population in this area? 你知道這個(gè)地區的人口密度嗎?
- IS THE POPULATION DENSITY OF CHINESE CITIES HIGH? 中國城市的人口密度高嗎?
- 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. 本研究根據粒數平衡理論;建立了間歇結晶過(guò)程的數學(xué)模型;并應用拉氏變換法將該偏微分方程簡(jiǎn)化為常微分方程求解;在此基礎上發(fā)展了測定結晶動(dòng)力學(xué)的動(dòng)態(tài)測定法.
- Einstein put forward his new theory of relativity. 愛(ài)因斯坦提出了相對論的新學(xué)說(shuō)。
- 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. 按人口學(xué)理論,人口年齡結構的類(lèi)型是依據老年人口或未成年人口在人口中的不同比例來(lái)劃分的。人口年齡結構類(lèi)型分為年輕型、成年型和老年型。
- The population density of the province is very low. 這個(gè)省的人口密度很低。
- The population density of this city is low. 這個(gè)城市的人口密度很低。
- Einstein's theory of relativity. 愛(ài)因斯坦的相對論。
- Japan has a high density of population. 口密度很大。
- Do you agree to the wave theory of light? 你同意光的波動(dòng)理論嗎?
- He cavalierly dismisses the theory of both Freud and Jung. 他傲慢武斷地斥貶佛洛依德和楊格二人的理論。
- 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. 運用耗散結構理論對人口系統的演化問(wèn)題進(jìn)行了研究,并用非線(xiàn)性系統的穩定判據得出了人口持續發(fā)展目標。
- Darwin put forth the theory of evolution,. 達爾文提出了進(jìn)化論。