population cycle 中文意思是什麼

population cycle 解釋
種群循環
  • 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。
  • cycle : n 1 循環，周期，一轉。2 周時，周年，年紀。3 （詩、故事等的）始末。4 自行車，三輪車，摩托車。5 【...
  1. 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。
  2. The breeding population must cycle through a selection phase before each successive regeneration stage.

    每個后續世代更換之前，育種種群必須經過一個選擇循環。
  3. China has a vast population and a broad market, thus liquor consumption owns a considerably potential market in china. however, due to the intence yet disorder competition of the present market, the marketing of the liquor industry in china has fallen into an rather awkward dilemma. the hidden trouble, the lurking danger, cause the businessmen in this line unable to extricate themselves from a low - leveled ricious competitive cycle. such severe challenge also confronts yuechitequ company. therefore, the most urgent problems waiting for resdring lie in how to take advantage of the present resoures effectively, how to distinguish the market situation, and how to institute a scientific product - popularizing programme in order to keep the enterprise standing undefeated in the intense competition, and develop the enterprise rapidly, favorably. this thesis makes a thoughtful analysis about the external conditions of market and internal ones resources in the yuechitequ by means of inrestication through questionaire and scientific data processing. in the second part, with the application of stp system theory of marketing and new - product - pricing theory, it designs and further expounds the popularization of the new products of this company, then forms a excutable performance and makes a constant rerision via market practice. in this way can it explor a suitable road to popularize the products in the liquor market, help the enterprise to free from the difficulties and progress healthely, consitently

    本文通過在岳池特曲公司現有產品市場進行問卷調查，運用科學的數據處理方法對所回收的658份問卷統計分析，以及利用美國哈佛大學商學院著名教授邁克爾?波特（ michaelporter ）提出的五種力量模型和價值鏈與vrio分析理論，對白酒市場的公開數據細致分析，以明確四川省岳池特曲酒業有限公司實施新產品市場推廣所面臨的市場條件和內部資源條件，在此基礎上，本文運用市場營銷學中stp系統理論、新產品定價理論等，對岳池特曲公司推出的白酒新產品進行市場細分、確定目標市場和市場定位，並根據市場營銷4p理論制定新產品的產品策略、價格策略、渠道策略、市場促銷推廣策略，形成最終整體完善的可執行方案，再通過市場實踐對推廣方案進行檢驗、修正，力圖在酒類市場中探索一條新產品市場推廣的適用道路，並幫助企業擺脫困境、邁開步伐、持續健康的發展。
  4. Industrial restructuring in the direction and focus are : first, the consolidation and strengthening the position of agriculture as the foundation to accelerate transformation of traditional agriculture into modern agriculture ; second, the strengthening of energy, transportation, water and information infrastructure and enhance the economic and social development support capabilities ; third, revitalization of the equipment manufacturing industry is to focus on the development of advanced manufacturing, and play its important role in supporting economic development ; fourth, speeding up the development of high - tech industry, and further to enhance the high - tech industry to drive economic growth ; fifth is to increase the proportion of the service industry for optimizing the structure of the services sector, to promote the rapid development of a comprehensive services ; sixth, to develop economic cycle for resource conservation and environmental friendly building - based society so as to achieve economic growth and population, resources and environmental coordination ; seventh, optimizing industrial structure, and the adjustment of the regional industrial layout ; eighth, implementing mutually beneficial win - win strategy of opening up, to raise the level of opening up and promote domestic upgrading of the industrial structure

    其次，本文分析了國內外產業結構調整和發展的現狀，深刻展示了以美國、德國以及韓國為代表的先進國家的產業結構調整經驗及其發展現狀，高度概括了它們的一般性特徵，並論述了其對我國以及山東省產業結構調整的借鑒意義和啟示。客觀全面地分析了山東省產業結構發展現狀，找出了影響山東省經濟發展的因素，深入揭示了其發展過程中存在的如產業構成不合理、私營經濟發展不夠、地區間經濟發展不平衡、人口和勞動力素質不高、對自然資源開發過度、水資源嚴重短缺等問題。最後，針對性地提出了加快產業結構的調整優化，大力發展高新技術產業，加快個體私營經濟的發展，發展地區經濟，同時，珍惜資源，保護好環境等對策建議。
  5. Plant population and plant vigor decrease rapidly after the first harvesting cycle

    第一輪收獲后植物密度和長勢很快下降。
  6. Visser ' s research shows that the winter moth population at de hoge veluwe is declining, but he has not collected moth numbers long enough to be sure this is not part of a natural cycle

    維瑟的研究顯示，侯格維陸威園區的冬季蛾類族群正在減少，但他?集蛾類數量的時間還不夠久，無法判定這是否為自然循環中的一部份。
  7. The main contents of this research are as follows : 1. sustainable agriculture development requests good production and resources reserve and achieving the balance in supply and demand and sound cycle of ecosystem to feed the increasing population

    主要研究結論為： （一）農業可持續發展，要求既增加生產，不斷保證日益增長的人類世代消費需要；又杜絕犧牲有限資源和破壞環境的不良行為，以保持資源的供需平衡和環境的良性循環。
  8. The advantages of plantain at high population density include potential to increase yields significantly, better crop cycle planning to harvest during best market conditions, optimum use of land because one hectare of high density plantain can produce as much as 3 - 5 hectares of conventional planting, high production of good quality corms used as seed for the next cycle and intensive management resulting in a lower incidence of pests, diseases and weeds

    大蕉密植的優勢在於：有顯著的增產潛力，有較好的生產周期以適應最佳市場條件，能高效利用土地（密植1公頃相當于通常的3 ~ 5公頃） ，可生產出可作為下季種子的大量優質球莖，集約管理可減少病、蟲、草害的發生。
  9. Li changxiao, who was engaged in the teaching of cell biology, cell genetics, and molecular biology and took part in some scientific research in cell heredity, population heredity, cell cycle dynamics and bioengineering, got many achievements when he was in charge of a cell hereditary laboratory

    但由於該技術存在著一些缺點，實際上很難推下去，很難形成巨大的生產力。經過十年的磨練，他在快繁技術生產方面不僅理論深厚，而且實踐經驗非常豐富。
  10. In the research of the real estate market of the house, realtors should analyse consumers ' family type in the stage of cycle of life conscientiously, this contributes to studying the impact on its house of consumer behaviors of change of population in the family, and then can adjust the marketing tactics of the real estate market of the house according to the change of family ' s factors of people

    在住宅房地產市場的研究中，房地產商應認真分析消費者的家庭類型及其所處生命周期的階段，這有助於研究家庭的人口變動過程對其住宅消費行為的影響，進而能夠根據家庭人口因素的變動調整住宅房地產市場的營銷策略。
  11. The population distribution of bacteria which participate in n & p cycle correlates with the content of correlated nutrient salt in water body. the sediment release experiment tested out that microorganisms in water body can be supplied from sediment

    蘇州河水體中參與n 、 p循環的主要微生物功能菌群的數量與環境中相關營養鹽的含量相關，底泥試驗表明，水體中的微生物能從底泥中得到補充。
  12. When the genetic algorithm is implemented it is usually done in a manner that involves the following cycle : evaluate the fitness of all of the individuals in the population. create a new population by performing operations such as selection, crossover and mutation on the individuals whose fitness has just been measured. discard the old population and iterate using the new population

    遺傳演算法是通過下面簡要步驟的循環最終獲得優化問題的解的：隨機生成一定數目的個體構成初始群體，計算群體中每個個體的適應度，使用遺傳操作即選擇、交叉、變異運算元產生新一代群體然後代替上?代群體并迭代執行。
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