double-delta 中文意思是什麼

double-delta 解釋
雙三角形
  • double : adj 1 兩倍的,加倍的。2 雙的,二重的,雙重的;對,雙,兩,復。3 雙人用的;折疊式的。4 (意義)雙...
  • delta : n. 1. 希臘語字母表第四字母〈Δ,δ〉。2. (河流的)三角洲;三角形物。3. 〈D-〉 通訊中用以代替 d 的詞。
  1. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。
  2. The effects of body - strake on lift characteristics of the double - delta - wing aircraft

    機身邊條對雙三角翼飛機升力特性的影響
  3. Numerical investigation of the effects of different leading - edge profiles on vortical flows over a double - delta wing

    尖頂襟翼長度對三角翼前緣渦破裂的影響
  4. Connection method includes single star and double star, relaying protection method includes open delta voltage protection, differential current protection, differential protection, neutral unbalance current protection etc

    接線方式有單星或雙星接線,繼電保護方式有開口三角電壓保護、差流保護、差壓保護、中性點不平衡電流保護等幾種形式。
  5. Numerical investigations of the effects of different leading - edge profiles on the vortex flows over double - delta wings

    繞三角翼流動中的非定常現象研究
  6. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合
  7. This ship is a steel multi - purpose cargo vessel with single deck fore raised deck, double - skin, double bottom, double engines, double rudders and aft - engined type, mainly navigating on the pearl river delta hk - macao line, carrying containers as well as bulk cargo

    46 . 00m本船為鋼質單甲板艏部設升高甲板雙殼雙層底雙機雙舵艉機型多用途貨船。主要航行於珠三角洲-港澳航線,以載運集裝箱為主,也可以載運散雜貨物。
  8. This tanker is built of steel, double engines, double propellers, double rudders, single bottom, single deck and fore raised deck for carrying bulk liquid of grade 3 fuel oil flashpoint above 60 as well as carrying cereal oil, palm oil etc, navigating between guangzhou pearl river delta to hk - macao line

    39 . 8m本船為鋼質雙主機雙槳雙舵單底單甲板艏部為升高甲板散裝液貨運輸船,可運載三級燃油閃點60度以上,亦可運載食用油棕櫚油或塑膠油等,航行於廣州及珠江三角洲至香港澳門航線。
  9. Experimental studies on leading - edge vortex breakdown and control of flow over 76 176 ; 40 176 ; double delta wing

    雙三角翼前緣渦破裂及其控制實驗研究
  10. Experimental investigation for the effects of vectored trailing - edge jets on the leading - edge vortex reakdown of a double delta wing

    雙三角翼前緣剖面形狀對渦運動的影響
  11. Experimental investigation of the vortex characteristic over 75 176 ; 45 176 ; double delta wing

    利用激光片光技術進行雙三角翼剖面流動顯示研究
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