長期循環的英文怎麼說

中文拼音 [zhǎngxúnhuán]
長期循環英文
long cycle

  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 循動詞(遵守; 依照; 沿襲) follow; abide by
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • 長期: over a long period of time; long-term; long range; secular
  • 循環: circulate; circle; round; repeat; loop; period; recurrence; cycling; circulating; mixing; circula...

※中文詞彙長期循環在字典百科國語字典中的解釋。

  1. Okct - horal is well - known not only in usti nad orlici with rental, operating and furniture as well as with development, cycle and camping, but also with further offers, like manufacture, consultancy and / or installation, marking and boat

    作為一家嚴謹的工業型企業, okct - horal為您提供高效能、高度現代化的產品,例如野營、露營,周、一段時間,發展,調節對象,輪胎成型、服裝批量生產,機械出租,操作。
  2. Then the paper investigated the regularity of different oil indices using time series statistical analysis method, which suggested that there are some regular components in it, including long - term secular trend, seasonal component and long - term cyclical component. the irregular component also plays an important part in it, mainly including the policy of opec, war, all kinds of international convention for the prevention of pollution from tankers and so on. and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices, evidence shows that arima model performs better, especially for short - term forecasting

    在此基礎上,本文以時間序列分析作為基礎研究手段,以德國海運費率指數公布的1980年1月至1999年12月的四類油運費率指數為研究對象,分析了四類油運費率指數的變化趨勢、季節變化規律、變化規律和不規則變化規律,並應用arima時間序列模型對160000dwt以上的原油運費率指數進行了短預測,取得了較好的預測效果。
  3. But, at the present situation, the down hole progressing cavity pump is driven by the motor and reducer placed on the ground via a thin and long rod, and this cause troubles easily because of the rod works in cycling bending and distortion

    目前螺桿泵採油系統採用地面電機和減速裝置通過細抽油桿驅動井下螺桿泵,這種驅動方式由於抽油桿旋轉時處于長期循環扭曲狀態,系統很容易出現故障。
  4. Natural sciences tell us that all those in nature, from elementary particles as small as no inner structure to the cosmos without boundary, from primitive organism to man of today, are without exception in spontaneous and eternal evolution and periodic cycles - - emergence, growth, expansion, disappearance and orderly and successive movement

    自然科學告訴我們:整個自然界,從小到無內的基本粒子到大到無外的宇宙天體,從原生生物到當今人類,無一不是自發地處于永恆的產生、成、壯大、消亡、有序聯動的進化與周之中。
  5. 2. some phenomena of price complexity are discovered in csm, which are the complicated structure of returns frequency distribution and its evolution ; persistence and evolution of the market ; stable cycles in long - term, and persistence and reversion in short - term, using these methods, such as statistical test, rescaled range analysis, ljung - box test, bds test, v - statistic, spectral analysis, time - frequency analysis and so on

    2 .利用統計檢驗、重標極差分析、 ljung - box檢驗、 bds檢驗、 v統計量、譜分析及時頻分析等方法發現了中國股票市場價格復雜性的三種現象,即收益率分佈的復雜結構及其演化現象、市場的持續性及其演化現象、市場穩定非周和短持續與反轉現象。
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