decrease in population 中文意思是什麼

decrease in population 解釋
人口減少
  • decrease : n 1 減少，減小，減退。2 減少額，減小量。vt vi 減，減少，減退；（溫度表等）下降。 decrease the num...
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • population : n. 1. 人口；人口總數；全體居民；人口的聚居。2. 物的全體[總數]；【生物學】蟲口；種群（量）；群體；族，組，個數；【統計學】對象總體，全域。3. 【物理學】布居；密度。4. 〈罕用語〉殖民。
  1. There has been a steady decrease in population in this city

    這個城市的人口在持續下降。
  2. Chapter 2 is " review in the perspective of history ", it analysis the history progress and the basic law evolved in the chinese farmland institution, it indicates that the population pressure is the basic motive to drive the transition of the chinese farmland institutions. the population pressure would inevitably cause social crisis if rural labor can not be transferred completely, and finally leads compulsive population decrease through the dynasty change

    第2章「歷史視角的回顧」著重分析中國農地制度演進的歷史進程和基本規律，指出人口壓力是推動中國農地制度變遷的基本動力，如果不能實現農村勞動力的有效轉移，人口壓力必然導致社會危機，並以「改朝換代」式的大動蕩實現人口數量的強制性（災難性）調整。
  3. In 1980s diet bamboo of the giant panda was blooming. all these are responsible for the decrease of the population size of the giant panda. to prevent the further degradation of the panda habitats and protect this endangered species, we should assess impacts of human duisturbance on the giant panda and its habitats

    為確切掌握大熊貓的數量、分佈、棲息地環境等情況，制定切實可行的保護管理計劃，我們以王朗自然保護區的大熊貓調查資料對其棲息地情況進行了詳細研究，王朗自然保護區是岷山的腹心地帶，保護好這個大熊貓種群是保護大熊貓物種的重要組成部分。
  4. 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，此階段由於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於人類活動方向轉變。
  5. However under the pressure of great population and food supply, agriculture has been managed in an extensive way, utilizing resources by plunder and polluting environment at random, which resulted in unbalanced ecological structure and decrease in production capacity

    但是，長期以來在龐大的人口負荷及糧食供給壓力下，我國農業以粗放經營形式，掠奪式地利用資源，任意污染環境，導致農業生態系統結構失衡，生產能力下降。
  6. The rapid development of economy, rapid process of urbanization and the continuous increase of population bring more and more stress to arable land, the total area of arable land and the average area per head of arable land decrease increasingly. and with the improvement of the people ' s standard of living, requirement to farm produce is higher. population, land and grain will be in strained state

    當前我國經濟的迅速發展、城市化進程的不斷加快，及人口的持續增長對耕地造成的壓力越來越大，耕地總面積及人均耕地面積日益減少，且隨著人民生活水平的提高，對農產品的需求越來越高，人口、土地和糧食三者之間的矛盾日顯突出。
  7. The water resources per capita in china is 2220m3, and it is predicted that, in the year 2030, when the population reaches 1. 6 billion, the number will decrease to 1760m3. according to the well accepted criterion, a country with lower than 1700m3 per capita water resources will be considered as a country with water shortage problems

    我國水資源人均佔有量2220m 』 ，預測到2030年人口增至16億時，人均水資源佔有量將降到1760m 』 ，按國際上一般公認的標準，人均水資源少於1700m 』為用水緊張的國家，我國未來水資源形勢是嚴峻的。
  8. The population is expected to increase to one point five thousand million people in twenty - five years and then begin to decrease

    專家預計25年後中國人口將達到15億，然後開始漸漸減少。
  9. Aging population will affect economics on many aspects, such as labour deficiencies, decrease in output efficiency, private savings decline and lack of capital. it can also play a negative role in trade and investment and will put significant upward pressure on total government spending stemming from increased demands for health care services and higher public pension payments

    人口老齡化會造成勞動力缺乏；在某些行業造成生產效率的下降；導致儲蓄額下降，進而減少資本形成，影響貿易和投資；養老金數額比例隨之增大，醫療和保健開支增多，使財政承受越來越大的壓力。
  10. In the second charper, two reformed metheds has presented, which are competition adaptation - ga based on elitist and dual mutation adaptive - ga which can increase the population diversity and can decrease the dependence of genetic algorithms " result to the control parameter of operators and the status of initial population. to testify their abilities of algorithms, some studies have excuted which included the study to optimize parameter for pid and the study to multivariable intelligent decoupling control for mimo system. the outcomes have showed us that this amendment has a better effective than conventional means and the genetic algorithms which have no change

    第二章中，在已有文獻的基礎上，創新性的提出兩種改進演算法：基於最優保留的聯賽競爭機制遺傳演算法（ competitionadaptation - gabasedonelitist ）和雙變異自適應遺傳演算法（ dualmutationadaptive - ga ） ；通過對演算法中選擇運算元和變異運算元的有效改進，提高了演算法的尋優能力和尋優效率，增加了群體中個體模式的多樣性，對于演算法中存在的欺騙問題、早熟問題以及成熟前收斂問題有明顯的改進作用。
  11. All proinces and one territory reported a decrease of at least 17 per cent in hospital admission rates, after adjusting for population growth and aging of the population

    在人口增長和人口年齡校正後，所有的省和一個地區報告的住院率減少至少17 % 。
  12. Interestingly, a recent report from hong kong centre for health protection also stated that 30 % of hong kong population lacks regular exercises, which is consistent with this study of which a decrease of aerobic capacity in that age group was shown

    有趣的是，最近香港衛生防護中心發表的報告指出30香港人口缺乏定時運動，這個結論與上述研究的發現一致，帶氧能力在上述年齡組別下降較大。
  13. Under the pressures of population increase, arable land decrease, water shortage, planting area reduction of three major grain crops ( rice, wheat and maize ) in recent years, there is a potential crisis in food security in china

    摘要在人口增加、耕地面積減少、水資源缺乏以及水稻、小麥和玉米三大糧食作物種植面積下降等因素的影響下，中國食物安全存在著潛在的危機。
  14. The primary issue in the second round of the city s urban planning, which started in 1999 and extends to 2020, is controlling the population in its downtown core area. the city hopes to decrease the population of its core area using several methods

    另一個商業項目就在惠南鎮新城區，名為國際名品一條街，仿巴黎香榭麗舍大街，主營國際名品，與東門步行街相映生輝，形成店多興市之勢。
  15. In order to understand the nature of the ecologist ' s investigation ， we may think of the density - dependent effects on growth parameters as the “ signal ” ecologists are trying to isolate andinterpret ， one that tends to make the population increase from relatively low values or decrease from relatively high ones ， while the density - independent effects act to produce “ noise ” in the population dynamics

    為了能理解生態學家們所從事的研究的性質，我們可以把那些作用於增長參數的密度依賴效應視作生態學家們力圖將其分離並予以解釋的「信號」 ，正是這一信號傾向于使種群從相對較低的數值遞增，或從相對較高的數值遞減；而與此同時，那些密度獨立效應起到的作用則構成了種群動態變化中的「噪音」 。
  16. On the condition of the present increasing level in the food production, population and the per capita consumption and the sustainable decrease of the cultivated land, through optimizing the planting structure, increasing up the investment of technology and capital, enhancing the cultivated land fertility, the total food yield in henan province can completely satisfy the need of the economic and social development and have some surplus as well

    在糧食產量、人口及人均消費保持現有增長水平及耕地數量持續減少的情況下，通過農業結構調整，加大科技和資金投入，提高耕地地力等，河南省糧食生產總量完全能夠滿足社會經濟發展需求，並有一定剩餘。
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