natural variability 中文意思是什麼

natural variability 解釋
自然變數
  • natural : adj 1 自然界的；關于自然界的。2 天然的；未開墾的；野生的。3 固有的 生來的 天賦的（opp acquired）...
  • variability : n. 易變，變化性；【生物學】變異性。
  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. The species that make up natural ecosystems usually display a wide range of genetic variability.

    構成自然生態系統的生物種，通常表現有較大范圍的遺傳變異性。
  3. 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
  4. Environmental changes due to factors such as climate change are likely to be difficult to identify against the background noise arising from the numerous sources, both natural and man - made, of environmental variability

    在眾多自然及人為因素產生的環境變異源導致的噪音背景下，因氣候變化等因素造成的環境變化很難確定。
  5. A 10 % reduction of wind speed was observed, however, the reduction is well within the natural wind variability of the storm

    曾觀測到風速減小10 %的情形，然而這一減小量完全落在風暴中的風的自然變率范圍內。
  6. Natural selection ( selection ) - - differential reproduction of different members of a species due to the variability in fitness among individuals or genotypes, leading to changes in allele frequencies over time

    天擇- -天擇是改變對偶基因頻率的主要因素，因為天擇的結果使某種基因型的個體減少，因而改變原有的對偶基因頻率。
  7. The vertical loads, horizontal loads and other factors relevant to the behavior of pile, as natural or artificial variables, are variant in statistics. but statistical variability of vertical loads, horizontal loads and other factors, is seldom applied to the study of behavior of pile under inclined loads by engineers

    不論是荷載還是其它的影響樁受力性能的因素，都是受自然或人為影響的變量，都存在著數理統計上的變異性，但是人們在傾斜荷載樁的工作性能研究上卻很少考慮它們的變異性。
  8. The numerical modeling of global warming and its comparison with the natural variability

    全球變暖的模擬研究及與自然變率的比較
  9. And the reduction in ice cover may be the result of cyclicalwind circulation patterns and natural variability, not exclusively warmingtrends

    冰蓋的減少也可能是源於周期性的風循環和大自然易變的本性，而不只是因為全球暖化的趨勢。
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