periodic oscillation 中文意思是什麼

periodic oscillation 解釋
周期性振動
  • periodic : adj. 1. 周期的，回歸的，定期的，定時的；間歇的，時時的。2. 某一時期的。3. 【修辭學】掉尾句的，圓周句的；美詞麗句的。adj. 【化學】高碘的。
  • oscillation : n. 1. 【物理學】振蕩，擺動，振動；振幅。2. 動搖，猶豫，仿徨。3. 蹣跚。4. 【無線電】發雜音。
  1. Long periodic oscillation

    長周期振蕩
  2. 29 representative stations of northwest china are selected using eof analysis, and the detailed results of characteristics are given for temporal and space variation of interarmual change and decadal change. the main conclusions are followed : ( 1 ) the tendency of precipitation in northwest china is positive to the west of 103 e longitude and opposite to the east of it. there is a periodic oscillation of quasi - three years of precipitation and a mutation in the middle of 80s in spring precipitation of northwest china

    用eof分析方法選取西北地區29個代表站，分別對其春季和夏季近50a降水進行年際變化和年代際變化時空特徵分析，結果發現（ 1 ）西北地區近50a降水時空趨勢變化以103 e為基準線，以西為正，以東為負，並有準3a的振蕩周期， 80年代中期西北地區春季降水出現了氣候突變。
  3. The results showed that the whole distribution pattern of winter chilling damage in guangdong had quasi - 8 year periodic variation, and the south - north distribution pattern had quasi - 22 year periodic variation. generally speaking, the periodic variation of winter chilling damage in guangdong had quasi - 8 year mainly oscillation

    結果發現，廣東冬季寒害的整體分佈型具有準8年的周期變化；南北分佈型具有準22年的周期變化；綜合而言，廣東冬季寒害具有準8年主要振蕩的周期變化。
  4. Other than the periodic oscillation in pollen tube growth rate, the amplitude of each oscillation also changes in an oscillatory behaviour

    在花粉管生長速率呈現周期性變化的同時，生長振蕩的振幅也表現出「小?大?小」的規律性變化。
  5. 3, considering of the combustion reaction controlled by multi - mechanism, calculated results showed combustion wave of the continual combustion also changed to an unstable combustion way, the combustion temperature and wave propagating velocity changed periodically. by changing factors about the reaction mechanism, results showed the periodic oscillation combustion was mainly caused by the effect and feedback between chemical reaction and thermal conduction

    3 、計算結果同時顯示， shs燃燒過程中的不穩定主要來源於燃燒過程的熱反饋造成的化學反應機理變化，在這種存在多機理控制的反應體系中，燃燒過程的溫度會隨時間變化而出現有規律的振蕩。
  6. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型，得出方程單調行波解存在，並將波速c r分成若干個區間，得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。
  7. This suggests that stage structure may be a cause of periodic oscillation of populations and can make the behavior of population models more complex

    這說明階段結構可能是種群數量周期擾動的原因，從而使得種群模型的性態更加復雜。
  8. A property of solutions and the complex oscillation for a class of higher order periodic linear differential equations

    一類高階周期線性微分方程解的性質及復振蕩
  9. A result concerning the complex oscillation for periodic second order linear differential equations of transcendental type

    超越型二階周期線性微分方程復振蕩的一個結果
  10. Numerical methods for determining the periodic solution of non - linear oscillation systems

    具有系統參數的非線性動力系統周期解方法
  11. Qpo, quasi - periodic oscillation

    似周期振蕩
  12. The results show that the correlations between e1 nino and the temperature and precipitation in heilongjiang province have multi - time scale characteristics ; ( 1 ) the correlations between sst in nino3 and temperature in heilongjiang province are negative as a whole, but their correlations are evidently different according to different time scales ; the correlations between the temperature and southern oscillation index ( soi ) are positive in annual - scale periodic changes and negative in decades periodic changes

    結果表明，厄爾尼諾事件與黑龍江省氣溫和降水之間的相關具有多時間尺度的特徵；黑龍江省的氣溫與nino3區海溫總體上表現為負相關關系，但是對于不同時間尺度，兩者的相關關系又有明顯的差異；與南方濤動指數在年際尺度周期上表現為正相關，年代際尺度周期上表現為負相關關系。
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