parabola 中文意思是什麼

parabola 解釋
n. 名詞 1. 【數學】拋物線。
2. 碗狀物〈如話筒等〉。

  1. Circle, ellipse, parabola and hyperbola ; as well as the straight line

    圓形橢圓形拋物線或雙曲線中其中一種。
  2. The computation of the lognormal fussy reliability about vehicle parts with parabola ' s subordinate

    隸屬函數為拋物線時的汽車零部件對數模糊可靠度計算
  3. An algorithm for arch dams of parabola double curvature

    拋物線雙曲拱壩計算
  4. The plane should follow the parabola

    飛機須沿拋物線運動。
  5. The stress - strain relationship of narcss can be regressed by parabola

    其關系曲線形狀呈拋物線。
  6. The mixing characteristics of parabola turbine used in biochemical engineering

    型攪拌槳氣液混合性能研究
  7. Application research of the gerber parabola for the fatigue reliability desing

    拋物線在疲勞可靠性設計的應用研究
  8. Flow around a parabola

    拋物線體繞流
  9. Establishes of model of quasi - parabola regressive function model and parametric estimation

    偽拋物線回歸函數模型的建立與參數估計
  10. Axis of a parabola

    拋物線的軸
  11. Axis of parabola

    拋物線的軸
  12. The paper researches rectangle, parabola, sinusoid and triangle acceleration curves and their response characteristics, and puts forward a concept of combined acceleration

    摘要研究了輸送機的各種加速度(矩形、拋物線形、正弦形和三角形)曲線及其響應特性,在此基礎上,提出了組合加速度的概念,並對其進行了研究。
  13. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。
  14. For each fedding treatment, the longitude and latitude of the root egg, the number of egg chambers with each developmental grade all changed in a parabola model. the results from native page indicated that there were two specific protein i. e. vitellogenin ( vg ) or vitellin ( vn ) in the female wasp of n. vitripennis

    同一種餵食處理中,卵巢長度的時間動態幾乎都無變化; 1級卵子數、 2級卵子數和成熟卵子數的變化,是拋物線變化趨勢,即先增加,然後減少;基部卵子短徑和長徑也是拋物線變化趨勢。
  15. The study on hpec mortar shows that restricted expansive ratio ( e2 ) increases in the curve of parabola with the increase of the dosage of calcium sulphoaluminate ( csa ) expansive agent. so there is a suitable range of csa dosage ( generally 6 % - 12 % ). in this range, e2 of hpec mortar can reach as high as ( 5 - 10 ) 10 ~ 4, and the strength is not decreased

    對hpec砂漿的研究表明,限制膨脹率隨膨脹劑csa摻量的增加呈拋物線形式遞增,存在一個合適的csa摻量范圍(一般為6 - 12 ) ,在該范圍內hpec砂漿限制膨脹率可高達5萬- 10萬,且保證強度不下降,這就為設計不同膨脹能級膨脹混凝土而又保證混凝土強度等級提供了空間。
  16. The second one : we studied the effect of temperature on performance of lds. it was found that threshold current increase exponentially outpower and slope efficiency decrease parabola and exponentially respectively. coefficient of temperature shift is 0. 24 / k, wheras characteristic temperature also decrease with rise of temperature

    研究了溫度對激光器各參數的影響,隨著溫度的增加,閾值電流呈指數增加,輸出功率和斜率效率分別呈拋物線和指數關系遞減,同時特徵溫度也減少,波長隨溫度的漂移系數為0 . 24nm ,並且總結了一些溫度和結構設計方面的關系。
  17. In order to solve this problem, the distribution of the force was studied. with analyzing the data of ship launching, the paper educes seven typical distribution forms, include uniform distribution, sine distribution ( 1 / 2 amplitude ), trapezoid distribution, right triangle distribution, sine distribution ( 1 / 4 amplitude ), parabola distribution, isosceles triangle distribution

    主要有七種分佈形式,包括分佈趨勢較平緩的均勻分佈形式、正弦( 1 2波形)分佈形式、梯形分佈形式;峰值出現在滑道最前端的直角三角形分佈、正弦( 1 4波形)分佈、拋物線形分佈;還有峰值出現在分佈區域中間的等腰三角形分佈。
  18. The results indicate that the ratio of span to rise, the ratio of reinforcement and the stretching controlling stress are the three primary influencing factors to the failure pattern of the slab. in addition, the relationships between the ratio of deflection to span and the ratio of span to rise and the stretching controlling stress submit to linear curves, the relationship between the ratio of deflection to span and the ratio of reinforcement submits to a quadratic parabola curve

    運用數值分析程序計算了175組不同跨高比、配筋率、張拉控制應力的中強( 1270mpa )螺旋肋鋼絲預應力空心板,結果表明跨高比、配筋率、張拉控制應力是影響空心板破壞形態的主要因素,且構件撓跨比與跨高比和張拉控制應力呈線性關系,與配筋率呈二次拋物線關系。
  19. The petiole and leaf lengths and leaf widths and cork thicknesses and seed widths of the quercus variabilis communities appeared to have a second - degree parabola relation with the latitudes of the communities ; the petiole lengths and leaf lengths and cork thickness appeared to have a clear second - degree parabola relation with the elevations of the communities ; the leaf and seed lengths appeared to have a clear positive correlativity with the elevations ; the seed lengths had a typical negative correlation with the elevations

    栓皮櫟種群的葉柄長、葉長、葉寬、栓皮厚度、種長和種寬隨緯度呈現出二次拋物線關系;葉柄長、葉長和栓皮厚度隨海拔高度呈現明顯的二次拋物線關系;葉寬和種寬隨海拔高度的變化呈現出明顯的正線性相關;種長與海拔的關系為一種典型的負線性相關。
  20. On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system

    本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上,提出了材料凝固固相率的線性分佈法和拋物線分佈法,並將前者應用於系統中;同時提出了溫度梯度法和新山判據法的實現演算法,此演算法具有一定的靈活性。
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