characteristics of the population 中文意思是什麼

characteristics of the population 解釋
人口特性
  • characteristics : 產品性能描述
  • of : OF =Old French 古法語。
  • the : 〈代表用法〉…那樣的東西,…那種東西。1 〈用單數普通名詞代表它的一類時(所謂代表的單數)〉 (a) 〈...
  • 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. The reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area. stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition. the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area

    通過對沙坡頭人工固沙植被區主要建植種群檸條( caraganakorshinskii ) 、花棒( hedysarumscoparium )和油蒿( artemisiaordosica )的繁殖特性及種群結構的研究,以及自然侵入的一年生草本植物小畫眉草( eragrostispoaeoides )和霧冰藜( bassiadasyphylla )繁殖特性的研究,探討了在植被的持久性和變異性,分析評價了主要受惡劣環境壓力下的人工固沙區植被的穩定性。
  2. Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population

    南方紅豆杉幼苗表現為較強的聚集分佈,除與種子的散布有關外,生境條件的差異是重要原因之? ,其它發育階段表現為明顯的隨機分佈,表明它在自然群落中分佈的概率很小,反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。
  3. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。
  4. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  5. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位,採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法,對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究,以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵,進而探討兩物種瀕危的成因和機制,並針對性地提出了科學合理的保護對策和建議。
  6. ( 1 ) the economic characteristics decide the development of world aquaculture. because of the character of denseness of resource and labour, countries which have longer coastline, more population and which are not developed have high output of aquatic product. because of the nature of aquatic consume, the demand of aquatic product is high, while less resources are allot in aquaculture in developed country, which decides the activity of international trade of aquatic, high value aquatic product favor to developed countries. because the high increase of world population, aquatic resource crock up increasingly. the output of aquatic product ca n ' t increase high in a longer time, but with the advance of

    由於水產品生產的資源和勞動密集特徵,沿海海岸線長、人口多、欠發達國家水產品產量高,發達國家、海岸線短、內陸水資源相對稀缺的國家水產品產量低。由於水產品消費具有兩重性、水產品需求彈性大的特點,發達國家對水產品需求量大,而發達國家的資源較少分配到水產品生產上,這就決定了水產品國際貿易比較活躍,並且高價值水產品流向發達國家。由於水產品的易腐特性,國際水產品貿易主要品種為水產加工品。
  7. On one hand, it has a long story and the multicultural characteristics ; on the other hand, some traditional huis residences are decreasing with the population growth and the change of social living mode

    一方面,它具有悠久的歷史和多元化的文化特徵,蘊含著極大的民族建築研究價值;另一方面,隨著人口增長,社會生活方式的變革,有特色的回民住宅正在日益減少。
  8. Abstract : the characteristics of an extra large city include large population amount, advanced economy, high quality of population and informationization level

    摘要:特大城市具有人口數量大、經濟發展水平高、人口素質高及信息化程度高的特點。
  9. Although the fossils have been provisionally categorized by the team as h. erectus based on the presence of certain defining characteristics, he thinks the population represented by the dmanisi hominids may have been more specifically the rootstock of the species, a missing link between erectus and habilis

    雖然研究團隊根據德瑪尼斯人表現的一些直立人定義特徵,暫時將他們歸為直立人,但是洛基帕尼澤認為,德瑪尼斯化石代表的族群,也許是直立人的始祖,正是直立人與巧人之間的缺環。
  10. City has the characteristics of population concentration, developed industry and commerce, and the non - agricultural population as the majority and it is the center of political, economic and cultural activities for the surrounding regions

    城市通常有人口集中、工商業發達、以非農業人口居多等特點,它是周圍地區政治、經濟和文化活動的中心。
  11. Table 1 significant characteristics of the population for selected years

    表一選定年份的主要人口特徵
  12. It was a sample enquiry on a broad range of demographic and socioeconomic characteristics of the population

    中期人口統計乃一抽樣統計調查,用以搜集有關人口的廣泛社會及經濟特徵數據。
  13. The purpose of the census is to obtain information on the demographic, social and economic characteristics of the population in hong kong at the time the census is taken

    普查的目的,是就香港人口于普查進行時在人口統計、社會與經濟方面的特點而取得資料。
  14. The population characteristics of the proposed project area

    建議項目范圍的人口特點
  15. The population characteristics of the residents affected by the proposed project

    受建議項目影響的居民人口特點
  16. 2. representativeness of samples and characteristics of the households and the study population

    2 .樣本的代表性及受訪住戶和人口特徵
  17. The full thesis is divided into five chapter : in chapter 1, it mainly discusses the research history and present condition of the traditional dwelling, elaborates the main purpose and meaning of the research, and definite a few definitions of basic concepts involved by this thesis ; in chapter 2, it mainly elaborates the main characters of the traditional yard - outside and patio - inside dwelling architecture in xiangnan ;, including the comprehensive treatise toward the person ' s subjective construction characteristics, the objective technique condition characteristics and social cultural characteristics etc. ; in chapter 3, there has a comparison to the traditional dwellings who has the typical model region features in the southern and northern. through analyzing, it puts forward that the traditional yard - outside and patio - inside dwelling architecture has the characteristics which are between the southern and northern dwellings ’ ; in chapter 4, fore the noodles ’ elaboration, it discusses how the traditional yard - outside and patio - inside dwelling architecture in xiangnan can be built, including the material reasons and the spirit reasons, the end got it to construct five main reasons that the appearance become : the objective environment factor, culture factor, the influence of the population flowing, the code institutions and the clan system and the social ideology at that time etc. ; in chapter 5, it introduces the existence conditions of the traditional yard - outside and patio - inside dwelling architecture in xiangnan, putting forward some viewpoints and measures on protection and renewing

    全文共分為五章:第一章緒論主要論述了傳統民居的研究歷史和現狀、闡述了研究的主要目的和意義、界定了本文所涉及的幾個基本概念的界定;第二章主要闡述了湘南外庭院內天井式民居建築的主要特徵,包括對人的主觀營造特徵、客觀的技術條件特徵以及社會文化特徵等的綜合論述;第三章則是對南北方具有典型地域特色的民居建築進行簡明地比較分析,提出湘南外庭院內天井式民居建築具備南北方民居建築構成要素的二重性特徵;第四章在前面闡述、分析的基礎上,論述了湘南外庭院內天井式民居建築的成因,包括物質層面和精神層面的多重考察和論證,最後得出了其建築形態形成的五個主要原因:客觀環境因素、文化交融的影響、人口流動的影響、禮法與家族制度以及當時的社會意識形態等,其中最主要的成因是南北方文化交融的結果;第五章,在湘南外庭院內天井式民居建築的現有存在狀況的基礎上,結合自己參與的一個民居保護項目,對民居保護與更新談了些粗淺看法。
  18. Members noted the major concerns and challenges arising from the projected demographic trends and characteristics of the hong kong community, as well as the corresponding proposals on welfare policy put forward in the report of the task force on population policy

    委員備悉《人口政策專責小組報告書》推算的香港人口趨勢和特徵所帶來的主要人口問題和挑戰,以及報告書就此提出的社會福利政策建議。
  19. Thereupon, in the 3rd chapter, the characteristics of the ecological systems are discussed and the necessity of aggregation is proposed, then, the method of choosing macro - variables is discussed, and the aggregation method for the systems of ordinary differential equation is proposed. in the 4th and 5th two examples : the model of single population and the model of two populations in different environment are discussed, the method which have proposed in 3rd chapter is implemented in the two examples

    同時在第四章和第五章中分別介紹生態系統中的兩種情況:單物種的發展模型和兩物種在不同環境中競爭的模型,分別介紹了對這兩種模型建立過程,並且應用第3章中介紹的方法對上述兩種模型進行聚合。然後,對聚合后的聚合模型進行分析,得到聚合模型的穩定狀態。
  20. Everyone has his or her own characteristics, but society also has an overall characteristic, which represents the common awareness, behaviour and views of the majority of the population. there will be some exceptions but these are in the minority

    每一個人都有獨特的個性,但社會大眾也會有一個整體特性,它是代表大部分人的共同意識,行為表現和思想觀念,當然其中肯定還是會有例外,但畢竟是少數。
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