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population explosion 人口爆炸,人口驟增。

populous

Phase i : 1950s 1980s . in this phase , humans ’ limited cognition of nature laws , increasing demands caused by population explosion and unreasonable utilization of natural resources lead to the sharp decrease of runoff volume and shrink of the lake area . the ebinur lake area change converses from the condition subordinate to nature to human activity 即第一階段: 20世紀50 80年代末,此階段由于人類對自然規律認識的局限性,以及人口增長造成的需求增長,不合理利用水土等自然資源,導致入湖水量劇減,艾比湖呈現急劇縮小的趨勢,湖面變化從受控于自然條件向受控于人類活動方向轉變。

There are a number of causes for this : ( 1 ) population explosion led to destruction of forests for land reclamation and over - grazing . ( 2 ) misguiding public policies , which manifest themselves in putting too much stress on “ taking from the natural resources “ and on timber - felling while neglecting “ restoration to the natural resources “ and re - afforestation , caused inadequate input of funds to afforestation due to the financial difficulties of the state . ( 3 ) the so - called “ timber finance “ practiced traditionally in the natural forest regions 把天保工程區所有森林作為天然林實施禁伐,片面強調保護,完全忽視合理利用,而在退耕還林(草)中,片面強調經濟效益,沒有堅持“生態優先”原則; ( 2 )天保工程使當地“木頭財政”崩潰,財政收入大幅度減少,新的替代產業和經濟增長點培育缺乏資金、技術、政策支持; ( 3 )森工企業轉產分流面臨眾多困難。

The flood damage exposes the contradiction between people and flood , population explosion results in that people need more and more land for farming , a lot of flood - plain , flood - plain protection , retarding basin , and ever floodway are occupied by farmers for agricultural purpose . so that major or even middle and small flood can not be smoothly discharged in the river 這場洪災暴露了建國以來治淮工作中久而未決的一個問題,即局部地區為了解決人多地少的問題,大量侵占河道行洪灘地,與洪水爭地,不給洪水出路,使得本已不堪重負的河道,即使是中、小洪水來臨,也處在高水位狀況下運行,加劇了中、下游地區的防洪風險。

On the basis of the analysis on the yangtze vole ' s disaster history and condition in dongting lake area , the influence of the lake beach ' s environmental evolution on the vole disaster is studicd in this paper . the rise of low - middle - level beach area causes the vole ' s population explosion , the reduction of high - level beach area forces the voles into the farmland during the flood season , and the emergence period ' s continual increase extends the vole ' s habitat areas and forces them to migrate into the farmland . the discarded dike provides a rest place halfway for the voles , which escape the flood , and the natural enemies of the voles , which are a natural barrier against the vole ' s population expansion , decreases . according to this study , the conclusions are put for ward as follows : after three - gorge project ' s construction it will produce great influences on the beach evolution in dongting lake area , leading to the changes of the vole ' s ecological environment situation and resulting in the vole ' s population changes which deserves attention 在分析洞庭湖區東方田鼠暴發成災史及災情的基礎上,研究了洞庭湖區洲灘演變對東方田鼠暴發成災的影響.研究認為,中低位洲灘出露面積不斷增大使東方田鼠種群迅速膨脹,高位洲灘出露面積減小造成汛期東方田鼠大量向垸內農田遷移;湖區洲灘冬春季連續出露天數增加延長了東方田鼠的繁殖期;汛期洪峰水位增高,洲灘大面積淹沒迫使東方田鼠大量遷向垸內;湖內廢棄湖堤為東方田鼠逃避洪水提供了中途休養之地;洲灘地抑制東方田鼠種群膨脹的天敵數量已大大減少.據此,本文指出,三峽工程建成后將對洞庭湖區洲灘演變產生重大影響,因而將改變東方田鼠種群生態環境條件,引起種群動態變化,值得注意

And in light of that , the author points out resolutions on how to improve population quality ; how to control population explosion ; how to reconstruct industrial structure in line with local conditions ; how to carry out comprehensive territory improvement and improve the ecological condition ; how to enhance system construction , improve the guidance of policies and set up funds to improve the ecological condition ; how to quicken the construction of cities and towns and adapt immigration because of environmental protection 針對性地提出了提高人口素質,控制人口的快速增長;因地制宜,大力調整產業結構;進行國土綜合整治,促進生態環境的好轉和改善;加強制度建設和政策引導,設立生態環境基金;加快城鎮化建設,實施環境移民等幾個方面的解決思路。

Northwest china is the cradle of chinese civilization . its ecological environment is getting worse and worse after over 2000 years urbanization , the development of cities is districted by population explosion , shortage of farmland , forest and water sources very much . especially , scarcity of water source is the key obstruction 西北地區作為中華文明的主要發源地,經過2000多年的發展,生態環境較為脆弱,而隨著我國西部城市化步伐的加快,城市人口激增,土地、植被、水體等資源更趨匱乏,城市發展受到很大的制約,其中“水”是最大的桎梏。

Abstract : beginning with the present situation of population explosion and the severe way of human bearing , this article concludes that the restriction of regeneration and the control to turn human seciety into sustainable development track ; that the reproductional health ; and that the improvement way of regeneration is a severe challenge which faced by 21st century medical science 文摘:從嚴峻的人口形勢和生育方式的現狀論述了節制生育、控制人口惡性膨脹是人類轉入可持續發展軌道的首要條件,生殖調節成為生殖健康的核心問題,提出改進生育方式是21世紀的醫學面臨的一項重大挑戰。

With the economics development , population explosion and accelerating urbanism , we confront the most serious challenge in water sustainable utilization , floodwater , drought , water pollution , soil erosion etc . sichuan government summarizes the historic and current experiences , promoting the strategy of water - control system by strengthening < wp = 7 > the basic position of irrigation works and water conservancy in industry 隨著經濟的發展、人口增加和城市化進程的加快,水的可持續利用面臨著更嚴竣的挑戰,干旱、洪災、水污染、水土流失制約著社會經濟的發展,威脅著我們的生存。必須加強水利的基礎產業地位,才能保持經濟和社會的持續發展。

Man has been puzzled by some contradictions increasingly such as resources shortage , population explosion and environment deterioration since 20 century and they have quickened to exploit and utilize the ocean . without exaggeration , 21 century has become marine economy century gradually 當以陸地為主要活動舞臺的人類進入20世紀以后,日益為陸地資源短缺、人口膨脹、環境惡化等矛盾所困擾,加快了對海洋開發和利用的研究,使21世紀正逐漸成為海洋經濟世紀。

Finally , it indicated the countermeasures such as returning cultivated land in steep hill to forest , improving multiple measure for agriculture controlling the population explosion , building resources sustainable strategic system strengthening the legal supervision 最后提出了實施有計劃地退耕還林還草、綜合農業措施改良、控制人口增長和推動剩余勞動力轉移、構建自然資源可持續利用的戰略體系、加強法制監督等可持續發展對策。

In recent years , the vegetation was destroyed severely in north of china with population explosion . the quality of atmosphere in beijing , the capital of china , was depressed seriously because of the sand storm 近些年來,由于人口激增,自然植被遭到嚴重破壞,我國北方地區沙化日漸嚴重,北京作為我國的首都,由于沙化問題引起的沙塵暴等現象嚴重困擾著人民的正常生活,大大降低了環境質量。

Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements - themselves made relatively easy nowadays by modern means of transport 由于愛好藝術的確是的人口的確是的猛增或非常大,不小了量愛好藝術的確是的人口流動(現代交通工具使這種流動相也不錯容易)引發的確是的種種問題也會也不錯社會造成新的確是的壓力。

Additional social stresses may also occur ( 1 ) 1 分 because of the population explosion or problems ( 2 ) 1 分 arising from mass migration movements - - - - themselves made relatively easy nowadays by ( 3 ) 1 分 modern means of transport 答案:由于人口的猛增或大量人口流動(現代交通工具使這種流動相對容易)造成的種種問題也會對社會造成新的壓力。

Resource exhaustion , environment degradation and population explosion constitute the three major global problems confronting human beings , while space technology might become an important instrument of solving these problems 資源枯竭、環境惡化、人口激增,是當今人類面臨的三大全球性問題,而航天技術可能成為解決上述問題的重要手段。

Additional social stresses may also occu r because of the population explosion or prob lems arising from mass migration movements - themselves & n bsp ; made relatively easy nowadays by modern means & nbsp ; of transport 由于人口的猛增或大量人口流動(現代交通工具使這種流動相對容易)引發的種種問題也會對社會造成新的壓力。

Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements ? themselves made relatively easy nowadays by modern means of transport 由于人口激增,加上大規模的人口遷移所產生的問題(如今,現代交通工具使人口遷移變得相對容易)也會造成額外的社會壓力。

Additional social stresses may also occur & n bsp ; because of the population explosion or problems arising from mass migration movements - themselves made relatively easy nowadays by modern means of transport 由于人口的猛增或大量人口流動(現代交通工具使這種流動相對容易)引發的種種問題也會對社會造成新的壓力。

Additional social stresses may also occur as a result of the population explosion or problems arising from mass migration movements - themselves made relatively easy nowadays by modern means of transport 由于人口的猛增或大量人口流動(現代交通工具使這種流動相對容易)引發的種種問題也會對社會造成新的壓力。

Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements - themselves made relatively easy nowadays by modern means of transport 由于人口的猛增或大量人口流動(現代交通工具使這種流動相對輕易智慧)引發的種種問題也會對社會造成新的壓力。