periodic fluctuation 中文意思是什麼

periodic fluctuation 解釋
周期性變動
  • 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。
  • fluctuation : n. 1. 波動，起伏，漲落；【物理學】脈動。2. 動搖不定，躊躇。3. 【生物學】彷徨變異。
  1. Economic periodic fluctuation monitor and early warning means that the theories and methods on economic monitor, economic evaluation, economic forecasting and policy selection are studied on the basis of economic periodic fluctuation - one special economic phenomenon

    經濟周期波動監測預警是指圍繞經濟循環波動這一特定經濟現象所展開的一整套經濟監測、經濟評價、經濟預測和政策選擇的理論和方法體系。
  2. Proved with the mixing rate using parameters tw and r ^ it showed that large amplitude and high frequency could greatly enhance the mixing rate. but at large st, the rate of attenuation appears to be in periodic fluctuation at the range of low frequency, so there must be some best partnership of amplitude and frequency

    用參數t _ w 、 r _ （ 15 ）表徵的混合效率表明：總的來說大振幅、高頻率有利於混合，但在st較大的低頻率區中衰減速度會有周期波動的特性，存在最佳的頻率振幅配對。
  3. ( 3 ) economic periodic fluctuation early warning signal system is built. on the basis of it, the early warning limits of all the indexes are determined

    （ 3 ）建立了經濟周期波動預警信號系統，在此基礎上確定了各指標的預警界限。
  4. ( 4 ) economic periodic fluctuation monitor and early warning system is applied to macro economy of our country in 1998 - 2001. the positive study is conducted

    （ 4 ）將已建立的經濟周期波動監測預警系統應用於1998年? 2001年我國宏觀經濟監測分析，進行實證研究。
  5. Artificial periodic disturbances are introduced to the outer field of turbulent boundary layer in an closed - circuit open water channel. statistical method is employed for analyzing the velocity - fluctuation - time - series. the effect of the disturbance to turbulent structure in boundary layer is studied

    在開口式循環水槽底部湍流邊界層外區中引入周期性擾動，對湍流場的速度脈動時間序列信號進行了統計分析，研究了湍流邊界層中周期性人工擾動對湍流結構的影響，結果表明高頻擾動的湍流中she - leveque簡稱sl湍流層次相似律成立。
  6. Periodic speed fluctuation

    周期性速度波動
  7. Economic periodic fluctuation monitor and early warning index system is built. the standard of classifying the beforehand index, consistent index and delay index is explained. in addition, the method of calculating the diffusion index, the function of the diffusion index and the relation between the diffusion index and gross fluctuation are presented

    本論文的第二章介紹了作為時差關系參照系的基準循環的確定方法，構造了經濟周期波動的監測預警指標體系，闡明了先行、同步、滯后指標的劃分標準和擴散指數的編制方法、擴散指數的作用以及擴散指數與總量波動的關系；討論了合成指數的編制方法。
  8. According to the definitions of bottleneck bandwidth, available bandwidth and bulk transfer capacity, we analyzed the algorithms which named vps ( variable packet size ), pptd ( packet pair / train dispersion ), slops ( self - loading periodic streams ) and topp ( trains of packet pairs ) ; based on the principle of sub - path bottleneck measurement, we developed the bottleneck measurement algorithm using heterogenous packet - pair train ; after designing the three child algorithms ( demarcating bandwidth range, approaching bandwidth value and predicting the trendency of available bandwidth fluctuation ), we performed the algorithm called self - loading binary search ; applying the multi - home properties of sctp ( stream controltransmission protocol ) and measurement algorithm of available bandwidth, we presented a scheme to adjust the sctp transport path when there are network congestions or faults ; by the library of winsock and winpcap, we developed a measurement program to look for bottleneck bandwidth. in ns2 experiments, the algorithm based on heterogenous packet - pair train fitted well, and the algorithm of self - loading binary search worked quickly, and the sctp scheme improved the throughput effectively

    本文根據瓶頸帶寬、可用帶寬和btc （ bulktransfercapacity ）三類網路帶寬定義，分析了vps （ variablepacketsize ）和pptd （ packetpair / traindispersion ）瓶頸帶寬測試演算法， slops （ self - loadingperiodicstreams ）和topp （ trainsofpacketpairs ）可用帶寬測試演算法;基於子路徑瓶頸測試原理，設計了異構包對序列的瓶頸測試演算法;並結合三個子演算法（界定帶寬范圍演算法、接近帶寬值演算法和帶寬變化趨勢判定演算法） ，設計了自載流折半查找的可用帶寬測試演算法;把上面的演算法應用到sctp （ streamcontroltransmissionprotocal ）的多宿性和可用帶寬測試，提出了一個網路擁塞或故障時調整sctp傳輸路徑的方案;結合winsock和winpcap兩套網路開發工具，設計了一個瓶頸帶寬測試程序;通過ns2模擬實驗，驗證了基於異構包對序列瓶頸測試演算法的準確性、自載流折半查找演算法的快速性，和sctp改進方案的有效性。
  9. Power transition : an explanation to the periodic fluctuation of sino - usa relations

    對中美關系周期性波動的一種解釋
  10. Analysis of the relation between china real estate industry ' s periodic fluctuation and macro economy situation

    我國房地產周期波動與宏觀經濟關系分析
  11. Like macroeconomic, the development of real estate industry also shows a phenomenon of periodic fluctuation

    與宏觀經濟運行過程的周期波動一樣，房地產業在發展過程中也客觀存在著周期波動現象。
  12. However, as for macro - economy, the development of the real estate industry also shows a phenomenon of periodic fluctuation

    然而與宏觀經濟運行過程的周期波動一樣，房地產業在發展過程中也客觀存在著周期波動現象。
  13. The designing thought of economic periodic fluctuation monitor and early warning software system is presented. the functions of all the sub - systems are explained in details

    第五章說明了經濟周期波動監測預警計算機軟體系統的總體設計思想，詳細地介紹了各子系統的功能。
  14. Chinese military economy has the characteristic of periodic fluctuation ; the most obvious cycle of chinese military economy is the long fluctuation period of 24 years, and usually the shrinking time is three times the length of the expanding time in a chinese military economy cycle

    摘要我國軍事經濟存在周期性波動的特性；軍事經濟運行周期最顯著的是長周期，其周期長度為24年左右；軍事經濟運行呈現出收縮期長而擴張期短的特點，一般收縮期是擴張期的3倍左右時間。
  15. In this paper, some conclusions are found, that is low demand elasticity of price and high supply elasticity of price, big annual fluctuation of supply, price changing with the four - year periodic fluctuation. the policy of agriculture also has the influence on maize seed market. in all, the policy encourages and supports the development of maize seed market, especially the high - tech enterprise and large - scale marketing corporation

    通過研究發現，玉米種子市場的需求彈性極小，供給彈性很高，供給量年際波動很大；玉米種子價格的波動基本呈現「高?低?低?高」的四年周期規律；國家農業政策是高度鼓勵和扶持玉米種業發展的，其中對高科技種業企業和大型種子營銷企業實行重點支持培育。
  16. Based on these, the tracks, characters and causes of economic periodic fluctuation in our country are emphasized. the characters and reasons of district economic periodic fluctuation are put forward. in the second chapter, the method of determining the basic cycle is introduced

    本論文正是以此出發，在第一章中討論了經濟增長與經濟波動之間的關系，闡明了經濟周期的涵義，並介紹了解釋經濟周期發生原因的各種理論；同時著重說明了我國經濟周期波動的軌跡、特徵及產生原因；論述了我國地區經濟周期波動的特徵和原因。
  17. The air inlet noise is one of the major aerodynamic noises of the diesel generator as a result of the pressure fluctuation caused by the periodic opening and closing of the inlet valve

    進氣噪聲是柴油機的主要空氣動力噪聲之一，它是由進氣門的周期性開啟與閉合而產生的壓力起伏變化而形成的。
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