自然變化 的英文怎麼說

中文拼音 [zìránbiànhuà]
自然變化 英文
natural variation
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 自然 : 自然at ease; natural; free from affectation
  1. Because dunhuang grotto locates the gobi area having atrocious weather, muras are threatened by many diseases and tum to be very frail

    然而，由於自然風化的破壞以及重大自然災害的威脅，這個人類藝術的寶庫變得非常脆弱。
  2. We think it quite probably derives from natural changes in the voyage

    我們認為很可能是航途中的自然變化。
  3. B : we think it quite probably derives from natural changes in the voyage

    我們認為很可能是航途中的自然變化。
  4. When we alter nature, we should make such changes at nature ' s rates and in nature ' s way ( principle of sustainable change )

    當我們改變自然，應不逾自然變化的速率、及採取自然變化的方式。
  5. That probably doesn ' t sound very much to you or to me but it is a rapid increase compared to most natural changes

    這對你我來說很可能是無所謂的，但是跟多數自然變化相比較而言，這卻是一種快速的增長。
  6. The phenomenon of prairie desertification which is becoming increasingly serious today causes attention from both natural and social science

    草原荒漠化日益嚴重的現狀引發了自然科學和社會科學同時對這種自然變化現象的關注。
  7. The key issues are as follows : in the northwest arid area of china, what are the evolution rules of water resources which are affected by the nature change and human activity

    核心的方面是：自然變化和人類活動影響的西北乾旱地區水資源演變規律是什麼？
  8. Current projections of general circulation models imply rates of change of the global climate system that exceed those of almost any natural variation in the geologic past

    當前的一般循環模型顯示，全球氣候體系的變化速率超出了幾乎所有過去地質上的自然變化。
  9. Through touching and manipulating the artworks, visitors may obtain a better insight into the natural processes that are found on other planetary bodies in our solar system

    當你觸動展品，圖案變化隨即顯現，你會驀地發現那正是在太陽系天體上發生著的自然變化過程。
  10. Rose at a rate of 1. 8 mm per year in 1961 - 2003, and 3. 1 mm per year in 1993 - 2003. it is unclear whether the recent faster rise is a long - term trend or natural variability

    1961 - 2003年間上升速度為每年1 . 8毫米， 1993 - 2003年間上升速度為每年3 . 1毫米，近期較快的上升未確定是長期趨勢還是自然變化
  11. At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm

    為提高演算法的性能，作者對遺傳演算法進行三種改進：首先，為克服遺傳演算法早熟收斂，作者提出一種新的二元浮點補碼變異運算元；其次，模擬生物自然進化模式，為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接；最後，作者提出一種區間分解優化思想，來提高對最優解的搜索能力。
  12. First, we human beings have gone through many trials and tribulations, and through this process of natural evolution, we have become more intelligent and can react more quickly

    第一，因為我們人類經過很多考驗和奮斗，經過很多自然進化的過程就會變得更聰明反應更快。
  13. The genetic algorithm, which simulates the evolutional process of the nature, is a global and robust algorithm, and the construction of orthogonal multiwavelets via genetic algorithm makes the guideline to determine multiwavelets clear and simple. 2

    遺傳演算法是模擬自然進化過程的全局性魯棒優化演算法，利用遺傳演算法來確定由短序列正交多尺度函數所生成的正交多子波，使確定多子波的思路變得清晰而簡單。
  14. The evolutive principle and the survival mechanism are applied in the algorithm. as a result, the best result can be fast achieved with high probability. the dissertation starts by explaining the basic notions of iterative function system and evolutionary algorithms

    在進化過程中，它引入了自然進化和適者生存的原理，在復雜和變化的環境中尋找最有利的生存方式，可以以較大的概率較快速地找到最優解。
  15. It is assumed that model parameters calibrated from measured precipitation - runoff data in a specific period, reflect the situation of land surface and the human activity in that period. firstly, daily data of precipitation, pan evaporation, and discharge in 1960 ' s are used to calibrate the parameters of the xin ' anjiang model. then the parameters calibrated are applied to the computation of daily discharge from 1950 ' s through 1990 ' s, in which daily measured data of precipitation and pan evaporation are taken as the input of the xin ' anjiang model

    這種徑流過程代表下墊面和人類活動水準不變情況下氣候波動對徑流的影響，然後利用計算的長系列徑流過程與實測徑流過程對照，其差別反映下墊面的自然變化過程是十分緩慢的，可以忽略，因此這種差別主要代表了人類活動的影響，從前後期率定水文模型所得參數的差別及參數所代表的物理意義來分析下墊面及人類活動的變化，從而將氣候波動和人類活動對地表水資源影響程度定量分解出來。
  16. Methods of testing plastics - optical and colour properties, weathering - determination of changes in colour and variations in properties after exposure to daylight under glass, natural weathering or laboratory light sources

    塑料試驗方法.風化后光學和顏色特性.在透過玻璃的日光自然風化和試驗室光源下暴露后顏色和特性變化的測定
  17. It clearly allows us to engineer enzymes with novel functions and features by strategies, such as error - prone pcr, dna shuffling and stagger extension process ( step ), when very little is known about spatial configuration of proteins. therefore millions of years in nature can in principle be accomplished in the test within several years. according to the basic idea of directed evolution, we modified the a - aldc gene by error - prone pcr

    它不需要事先了解酶的空間結構和催化機制，而通過在體外模擬自然進化機制（隨機突變，重組和自然選擇） ，利用易錯pcr ， dna改組，交錯延伸等方法，改造酶基因，定向選擇（或篩選）有價值的非天然酶，短期內在試管中完成在自然界需要幾百萬年的進化過程。
  18. The most before all others in this part by analyzing natural changes condition of the shandong total population, the change of population age composition type, development of population age pyramid and old age at age to foster the detailed analysis of coefficient change, and unfolds before one ' s eyes a course of aging development of shandong population, then four protruding characteristics of aging development of shandong population are summed up out on this foundation : population aging speed is fast ; district difference is clear, urban and rural difference is notable ; the population age structure in " gold particular period " of population and at the initial stage of population aging

    然後分析了世界和中國人口老齡化的發展特點及趨勢，為後文對山東省人口老齡化的分析奠定理論和實踐基礎。第二部分：山東省人口老齡化進程分析。此部分中首先通過對山東省總人口自然變動、人口年齡構成類型變化、人口年齡金字塔演變和老年撫養系數變化的詳細分析，展現出山東省人口老齡化發展的過程，在此基礎上總結出山東省人口老齡化發展的四個突出特點：老齡化速度快；地區差異明顯；城鄉差異顯著；正處於人口老齡化初期和人口年齡結構的「黃金時期」 。
  19. In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments

    本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象，綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識，吸納「自下而上」的思想，選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標，以產業集群（系統）內部的個體企業為單位元胞，參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變，採用元胞自動機模型和matlab軟體，建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。
  20. It takes the competitive ability of agricultural product in market as the representation, reflects one kind of relative synthesis productivity that faces spontaneous change and market shift

    它以農產品在市場上的競爭能力為表象，反映的是農業生產應對自然變化、應對市場變化從而保持的一種相對的綜合生產能力。
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