rotational period 中文意思是什麼

rotational period 解釋
旋轉周期
  • rotational : adj. 1. 旋轉的；輪流的，循環的。2. 【農業】輪作的。
  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  1. Moreover, the time for charon to go around pluto is the same as the rotational period of pluto. therefore, charon is a

    此外，查戎的公轉周期和冥王星的自轉周期一樣，所以它是一顆
  2. The period of these torsional oscillations depended on the rotational inertia of the helium ; the oscillations occurred more rapidly when the inertia went down, just as if the mass of the helium decreased

    這種扭轉振?的周期取決于氦的轉動慣量，轉動慣量減少時振?加快，看起來好像是氦的質量減少了。
  3. Is 29. 5 days. interestingly, the rotational period of the moon relative to the sun is exactly the same as the synodic period

    盈虧月。月球的自轉周期剛好和它的繞地公轉周期相等，這種情形稱為
  4. Meanwhile, the rotational capability of the plastic hinge on the end of the passed - joint hypo - beam determine the capability of dissipation earthquake energy and occurrence of the process of internal force redistributing in the last period under earthquake force of the structure system in this test

    3 .邊梁的抗扭性能和梁端「扭轉塑性鉸」的轉動性能對整個結構抗震性能的影響至關重要，因而在工程設計中應注意邊梁的抗扭設計
  5. The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film

    研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性，基於可用三個函數表示動態油膜的非穩態非線性油膜力模型，將轉速比、不平衡量、阻尼比、粘度作為控制參數，利用floquet乘子預測周期解的局部穩定性，發現倍周期分叉是由一定量的不平衡引起的，而hopf分叉是由油膜失穩造成的。
  6. The results show that there exists such nonlinear dynamical phenomena as chaos ang quasi - period movement when the rotational speed, mass eccentric and a synthesizing parameter of the system change. from different point of view, the chaotical phenomenen induced by double period bifurcation is found. in this paper, the dynamical model of bearing - elastical rotor with a cross - section of crack is estabilished

    結果表明，在這一非穩態油膜力模型下，在轉速、無量綱偏心及一包含諸多因素的綜合參數的變化過程中，在很大的范圍內，系統運動都會出現由不斷倍周期分岔導致的混沌現象和概周期運動。
  7. The rotational period of jupiter is about 10 hours, and such a high velocity flattens jupiter at the two poles

    木星自轉一周約需10小時，這樣高的自轉速度令木星赤道隆起成為橢圓形。
  8. In order to select the proper objects to observe and analyze, we made a statistic study on the rotational period, and selected the asteroids with diameter of about 125km as the objects

    在對現有自轉速率的小行星進行統計分析時發現，直徑在100 ? 150公里之內的小行星的自轉速率具有較為特殊的性質，這一特性與小行星的碰撞經歷有關。
  9. The analysis results indicate that the transient performance of pump during starting period decreases evidently under cavitation condition ; cavitation performance of the pump has close relationship with flowrate, rotational speed and impeller parameters

    分析結果表明，啟動過程中的汽蝕現象使混流泵瞬態性能迅速下降，汽蝕性能與流量、轉速、葉輪參數等有密切關系。
  10. Like a spinning top, the rotational axis of the earth is not fixed in space. it will move in a circle with a period about 26000 years. we call this the

    像轉動中的陀螺一樣，地球的自轉軸在太空中其實並不固定，而是以26000年的周期在轉動，這個運動稱為
  11. The cavitation characteristics of mixed flow pump during starting period, relations between cavitation performance and flowrate, rotational speed and impeller parameters were discussed

    討論了啟動過程的汽蝕特性以及混流泵汽蝕性能與流量、轉速、葉輪參數的關系。
  12. For the evolution stars with age less than 109 years, stellar magnetic activity and rotational period decrease with stellar age ; for the stars with age larger

    而晚型演化恆星不論是演化恆星的磁活動還是自轉周期以恆星年齡10 」年為分界點表現出隨年齡不同的規律。
  13. There have good linear relativity between stellar magnetic activity, rotational period and stellar age of ms stars, but this relativity of evolution stars has different action

    在第七章中，我們討論了晚型恆星的自轉周期的分佈、恆星年齡對晚型恆星磁活動的影響以及晚型恆星的角動量演化。
  14. The telemetry delays for each tool have been standardization as channel alphabetical letters. so the telemetry gauge and interface circuit of tools are designed in this paper. the temperature data of the new kind of telemetry tools has special format consisting of an 8 bit digital temperature wore over an 8 frame time period for its high frequency and the data of flowmeter is uplinked on two time dot to determine downhole or uphole rotational direction

    本文重新設計了新型遙傳短節和參數測量儀器的介面電路，部分參數的介面電路完全採用硬體電路實現；針對溫度參數的數據頻率高於新型遙傳方式可傳輸頻率范圍的矛盾，提出了按「位」傳輸的新方式；基於流量參數特有的方向性，對流量數據採用了兩道傳輸的方式。
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