reproduction rate 中文意思是什麼

reproduction rate 解釋
繁殖率
  • reproduction : n. 1. 再生產,再現;【心理學】再生作用。2. 復制(品),復寫,仿造;轉載;翻印。3. 生殖,繁殖。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. When economically still underdeveloped, china has accomplished a historic transition in population reproduction pattern from one featuring high birth rate, low death rate and high growth rate to one featuring low birth rate, low death rate and low growth rate in a relatively short period of time, a change that took decades or even up to a hundred years for developed countries to realize in the past

    中國在經濟不發達的情況下,用較短的時間實現了人口再生產類型從高出生、低死亡、高增長到低出生、低死亡、低增長的歷史性轉變,走完了一些發達國家數十年乃至上百年才走完的路。
  2. So, population reproduction is not steady, and the get to the permanent steady quiescence need a long time. from the age structure, it also shows that during these twenties years, hetian belong to the intergraded reproduction of high birthrate, low death rate and high growth rate

    同樣,年齡構成指標從靜態和動態角度出發也反映出和田在近20年前後是屬于高出生、低死亡、高增長的過渡階段的人口再生產類型,年齡結構較為年輕。
  3. Intensifying the problem is the slow reproduction rate of the reptiles. on average, female tuatara mate once every four years, and eggs take between 11 and 16 months to hatch

    更糟的是,這種動物繁殖率很低。平均來說,雌性每4年才交配一次,而卵需要11 - 16個月時間孵化。
  4. In this paper two - generation reproduction toxicity of fenvalerate, a - cypermethrin, chlorpyrifos, and triazophos was tested in a 21d period with water flea, daphnia magna, . the toxicity indicator included longevity, body length, days to first brood, days to first pregnancy, number of youth per female, intrinsic rate of natural increase ( r ), and number of broods per female. accordingly, the dose - response relations and relations between the chronic responses and enzyme levels were investigated

    為了確定水蚤體內生化指標與慢性毒害效應之間的關系,特別是在低濃度暴露狀態下生化指標改變的生物學意義,以便能更準確預測早期農藥對水蚤種群的潛在危害,本文以浙江省常用殺蟲劑氰戊菊酯、高效氯氰菊酯、三唑磷和毒死蜱進行了大型蚤( d . magna )的急性和慢性毒性試驗(包括子代水蚤的恢復試驗) 。
  5. The results showed that the relative survival rate of zoospores decreased with the uv radiation time and distance increased, and the uv radiation could reduce the growth rate, survival capacity, pathogenicity and reproduction capacity of phythophthora sojae remarkably

    結果表明:游動孢子的相對存活率隨照射距離及時間的延長而降低,紫外線照射使大豆疫黴菌生長速率、生存能力、生殖能力、致病性等都明顯降低。
  6. Nrr is 2. 36 ( higher than 1 ), and it shows that population reproduction is the expanding reproduction. if the population now develops toward the steady reproduction, population will grow at the rate of 28. 889 %, and then it make the big population number

    Nrr為2 . 36大於1 ,表明此時人口再生產類型是擴大再生產類型,如果人口保持此階段人口再生產狀況長期發展下去,人口將按一個固定增長率k = 28 . 889發展下去,產生巨大的人口基數。
  7. In vitro infertilization - embryo transfer ( ivf - et ) development up to now, there are many new breakthroughs in coh ( controlled ovarian hyperstimulation ), the embryo culture technique and improvement of the culture medium, but how to increase the lower embryo implantation rate, clinical pregnancy rate, and reduce multiple pregnancy rate to perplex to reproduction medicine worker always

    前言體外授精?胚胎移植技術( invitroinferfilizafion - embryotransferivf - et )發展至今,在促排卵方案,胚胎培養技術及培養液的改進方面有了許多新的突破,但如何提高較低的胚胎種植率及臨床妊娠率,始終困擾著生殖醫學工作者。
  8. If the population of china walked past you, 8 abreast, the line would never end because of the rate of reproduction

    如果讓所有的中國人按8個一排並肩從你身邊經過,你將永遠不會看到盡頭,因為他們的生長率會使人數連綿不絕。
  9. This paper discusses the new resources and environmental problems that man and nature might be facing in the 21st century, such as old and new infectious diseases, accelerated reproduction rate of bacteria, accelerated popularization rate and extension of scale of bacteria due to climate warming, harmfulness of electromagnetic wave to man and nature, the possible space pollution, network crime, instability of society caused by difference between rich and poor, etc

    文章論述了21世紀人類與自然界將可能面臨的新的資源環境問題,如可能受到新舊傳染病;以及氣候變暖使細菌繁殖速度加快、傳播速度傳播范圍的擴大;電磁污染對人類、自然界的危害;還會出現太空污染;網路犯罪;因貧窮懸殊造成社會不穩定等。
  10. As economic development and population control promote each other, these areas have seen a transition, in a relatively short period of time, to the modern population reproduction pattern characterized by a low birth rate, low death rate and low natural growth rate

    經濟發展與人口控制相互促進,使這些地區在較短時間內實現了向低出生、低死亡、低自然增長的現代人口再生產類型的轉變。
  11. The objective innovation suggests the financial management objective system that includes the total objective - economic value added rate and the subsidiary objective such as the optimum of cash stream the optimum of capital profit rate the optimum of allocation value added rate ; the conception innovation of financial management builds the financial management conception system that revolve around the maximum of economic value added rate objective, which includes objective judgment conception. legal conception and moral conception system ; the method innovation of financial management offers five developed technologies of financial management that includes network finance, financial reproduction tactics financial resource planning financial project and financial strategy ; the institution innovation of financial management designs the institution structure of financial management with the enterprise financial management content and financial subjective behavior from the decision of innovation principle, as well as mentions the concrete content of financial institution innova tion ; the content innovation of financial management highlights adjusting the point of financing management and investment management transforming the objective of inventory management reforming the model of profit allocating improving the level of risk management promoting the financial analysis and appraisal system

    財務管理目標創新探討了以經濟增加值率最大化為總目標,輔之以現金流量最優化、資金利潤率最優化、分配增值率最優化分目標的目標體系;財務管理觀念創新構建了以經濟增加值率最大化目標為核心觀念、包括客觀判斷觀念、法律觀念和道德觀念的財務管理觀念體系:財務管理方法創新提出網路財務、財務再生策略、財務資源規劃、財務工程、財務戰略五種先進的財務管理方法技術:財務管理制度創新從確定創新原則入手,分別按企業財務管理內容和財務行為主體進行財務管理制度的框架設計,並從財務融資機制創新、激勵與約束制度創新、財務信息披露制度創新四個方面說明了財務管理制度創新的具體內容;財務管理內容創新強調調整籌資管理與投資管理的重點、轉移存貨管理目標、變革利潤分配模式、提高風險管理水平、改進財務分析和財務評價體系。
  12. Manpower capital, reproduction rate and the transformation of the dual economic structure

    生育率與二元經濟結構轉化
  13. The algorithm can implement the diversity of solution, avoid converging local optimal solution, and prevent the possibility of losing optimal solution effectively, by holding some optimal chromosomes in each generation and introducing expectation reproduction rate

    通過保留每代最佳的若干染色體以及引入期望繁殖率的概念,本演算法可以實現解的多樣性,避免收斂于局部最優解,同時可以有效的防止在進化的過程中失去最優解的可能性。
  14. The present policy should aim to improve the education for the farmers, reduce the reproduction rate, increase manpower capital and provide necessary conditions

    中國現階段促進二元結構轉化的政策,應以提高農業人口的受教育程度為重點,要有利於農村生育率的下降和人力資本的提高,為其創造出需求條件。
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