population of levels 中文意思是什麼

population of levels 解釋
能級數
  • 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。
  • of : OF ＝Old French 古法語。
  • levels : 電平
  1. Ten - year projections of population distribution by tertiary planning unit ( tpu ) are produced regularly under the auspice of the inter - departmental working group on population distribution projections ( wgpd ) for general planning uses at local levels. projections of the age structure of the population by district council district and new town are also produced

    跨部門的人口分布推算小組除了定期按小規劃統計區編制未來十年人口分布推算數字，作為地區層面的一般規劃用途外，亦會按區議會分區和新市鎮編制人口年齡結構的推算數字。
  2. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。
  3. We synthetically discussed intraspecific differentiation and evolution, from four biotic levels of population, individual, cell and gene. intraspecific differentiations in morphology were investigated firstly. the results indicated that there are varied polymorphsim within populations, and obvious polytypism among populations

    本文在形態分類的基礎上，根據居群生物學的原理和方法，對淡黃花百合的形態學、細胞學、分子生物學進行了研究，從居群、個體、細胞和基因四個層次綜合探討了該種植物的種內分化與進化。
  4. At low temperatures, the difference in population of atoms between two energy levels, which is the basis of maser action, is greater.

    在低溫下，作為微波激射作用基礎的兩個能級之間原子數的差別較大。
  5. Laser - induced population changes of 5p and 5d levels in rubidium vapor

    態的布居數變化
  6. The absorption of this radiation in various lines followed by cascade transitions to lower levels might ultimately produce an anomalously high population for the excited levels of these molecules.

    在各譜線處對這種輻射的吸收以及接著向低能級的級聯躍遷最終可能使這些分子的激發能級產生異常高的粒子數。
  7. This paper briefly reviews the possible effects of climate change on avian biology and ecology all over the world, with emphasis on new findings from several long - term studies in europe and north america, which provide unique opportunities to investigate how long - term changes in climate affect birds at both individual and population levels

    根據全球范圍內氣候變化對鳥類影響的研究資料，尤其是北美和歐洲的一些長期研究項目的成果，綜述了氣候變化對鳥類分佈范圍、物候、繁殖和種群動態變化等方面的可能影響。
  8. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    理論分析表明，凡是能夠引起地表和洞穴巖石、空氣、水、土壤、生物等變化的一切人類活動都不可避免地使洞穴動物在分子、細胞器、細胞、組織、器官、系統、個體、種群、群落和生態系統各級層次上產生效應，這些效應具體表現在影響洞穴動物形態建成、行為、組織結構、新陳代謝、時空分佈、生物節律、種群和群落結構、食物鏈結構、生物關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  9. Soil microbial biomass and viable population size ( plant counts ) were negatively affected by the elevated metal levels, but the size of soil basal respiration rate and microbial metabolic quotients were positively influenced by the increasing heavy metal pollution levels. microbial community structure also changed with increasing contamination, as indicated by biolog data and principal component analysis of biolog community metabolic profiles. soil microbial metabolic profiles ( awcd ) values, community richness and diversity index in mine - soils decreased remarkably as compared

    相關分析結果表明，土壤重金屬含量和土壤基礎呼吸、微生物量cfn 、代謝剖面（ awcd ） 、微生物商（ cmic / corg ） 、代謝商（ qc02 ）與人工栽培的香根草植物地上部分呈顯著或極顯著正相關（卜0 . 6653飛0 . 8945 」 ） ;微生物量c 、微生物量n 、生化作用強度、酶活性、群落shannon指數（ h ）和微生物群落豐富度（ s ）與人工栽培的香根草植物地上部分生物量呈顯著或極顯著地負相關（ r =一。
  10. Because the north downtown is the old city in municipal area, kits population is intensive and the business in train station, long distance bus station is comparative concentrates. concentrating, the poprlation flows a great deal, so the mission of medical treatment, prevention, health care for this area is heavy. through several generation s effort, the hygiene business of my area from have no to have, go to since the childhood to big, obtained the substantial development, tooctober 1999, my area totally contain 192 all levels vrious medical treatment hygiene organzation, among them the first province class is the sixth people s hospital ; troops hospital is namely 252 hospital ; municipal class hospital 8, namely the first hospital, the first center hospital, the third hospital, north downtiwn hygiene defends the station, the north downtown women and children health care staton ; three countries hosptal namely hanzhuang country hospital, dongjin country hosspital, bailou country hospital ; still there are 56 villages public health offices, 70 individual clinics, 50 business enterprises business unit hygiene room in addition, an a scale as center from the city, regarding village as the key point, under the new form of the socialism economcal market, our hygiene system insists on the material civilization grasp with spiritual civilization together, putting the social efficient in the first, hold " everything regard health as the center, working hard to mold " window image, the municipal fifth hospital is named as baoding civilized committee, baoding hygiene office as the two star class civilized service. my area all hygiene worker will still work hard to create superior quality service ofor the large crowd

    經過幾代人的努力，我區的衛生事業從無到有，從小到大，取得了長足的發展，至1999年10月，我區內共有各級各類醫療衛生機構192個，其中省級一家即河北省第六人民醫院軍隊醫院一家即二五二醫院市級醫院8家即保定市第一醫院保定市第一中心醫院保定市第三醫院保定急救中心保定市法醫醫院保定市聲學研究所保定市衛生防疫站區直屬單位三家即保定市第五醫院北市區衛生防疫站北市區婦幼保健站三個鄉醫院即韓莊鄉醫院東金莊鄉醫院百樓鄉醫院;此外還有56個村衛生所70戶個體診所50個企業事業單位衛生室。一個從城市為中心，以農村為重點，集醫療預防保健康復科研和公共衛生監督等多功能多層次並基本滿足社會需求的衛生工作網路初具規模。在大力發展社會主義市場經濟的新形式下，我區衛生系統始終堅持物質文明和精神文明一起抓，始終把社會效益放在第一位，緊緊圍繞「一切以健康為中心，努力塑造」窗口形象，市第五醫院被保定市文明委保定市衛生局命名為文明服務二星級單位。
  11. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下，三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用，兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質，這不僅依賴于兩個上能級與禁帶的相對位置，同時也依賴于原子的初始狀態，而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同，也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  12. To raise the ideological and ethical standards and scientific and cultural levels of the workers ， peasants ， intellectuals and other laboring people and the entire population and improve their labor skills and creativity and give full scope to their enthusiasm ， initiative and creative power - these should remain the tasks of primary importance that our party should perform in representing china ' s advanced productive forces

    不斷提高工人、農民、知識分子和其他勞動群眾以及全體人民的思想道德素質和科學文化素質，不斷提高他們的勞動技能和創造才能，充分發揮他們的積極性主動性創造性，始終是我們黨代表中國先進生產力發展要求必須履行的第一要務。
  13. The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method

    基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理，同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度；在此基礎上，應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響，進而確定播種量。
  14. Planning was essential for the provision of housing in the shenzhen sez in three major aspects. ( 1 ) land use zoning under certain planning concept and in terms of various levels of physical plans governed directly the amount of land to be designed for residential use. ( 2 ) development targets within a specified time frame such as population growth and economic development in different areas determined the amount of housing provision. ( 3 ) various planning standards and regulation controlled the amount of gross floor area of residential building

    計劃在三個方面對在深圳經濟特區提供住房是最基本的. （ 1 ）一定計劃概念下根據不同層次物質計劃的土地使用分區制直接支配設計為居住用途土地的量. （ 2 ）開發對象在某一規定的時間框架以內如不同區域的人口增長和經濟發展決定住房提供的量. （ 3 ）不同的計劃標準和規定控制居住建築的毛樓層面積的量
  15. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ （ c - b ） 、 r _ （ a - b ）和非相干泵浦速率r對增益、色散和粒子數差的影響；第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  16. The treatments in rice include combination of 3 levels of applied fertilizers and 3 spacings ( 20 15, 15 15, 15 10 cm ) with and without green manuring and in groundnut, 2 population density ( 30 15, 15 15 ) and 9 levels of applied fertilizers including with and without sulphur

    水稻的處理包括3個施肥水平和三種株行距（ 20 15 ， 15 15 ， 15 10厘米）施或不施綠肥的組合，花生則為兩種密度， （ 30 15 ， 15 15 ）和九種施肥水平，其中包括施或不施用硫的組合。
  17. Effect of elevated atmospheric co2 concentration on rhopalsiphum padi population under different soil water levels

    2濃度對禾穀縊管蚜種群的影響
  18. A satellite experiment involving combinations of n and k with and without fym and zinc on yield production of rice and another experiment on interaction of plant population and fertilizer levels on yield of groundnut have also been conducted

    此外在水稻上還進行了氮和鉀施或不施廄肥和鋅組合因素的輔助試驗，另一試驗是關于群體密度和施肥水平處理對花生產量的影響。
  19. The department of biology is an integrative biology department - studying biological phenomena at the molecular, cellular, organismal and population / community levels - within the broader context of evolution and the environment

    該院是一個綜合性生物學院? ?其研究包括分子、細胞、器官和群落生物研究層次，它們在進化和環境這些更宏大的范疇內展開。
  20. In present review, the study developments of the rice frog were summarized at morphological, taxonomic, physiological, biochemical, genetic, molecular biological and population biogeographical levels

    本章從澤蛙的形態、分類、生理生化、遺傳和分子生物學，以及種群生物地理學等方面的研究進展進行了綜述。
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