水平螺旋 的英文怎麼說

中文拼音 [shuǐpíngluóxuán]
水平螺旋 英文
flat spin
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 水平 : 1. (跟水面平行的) horizontal;level2. (達到的高度) standard; level
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式下航行器的建模、非線性自適應滑模控制、以及深度調整和面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了槳推進器的動態模型,它以槳來流速度v _ p和槳轉速n為狀態變量,以電機施加轉矩為輸入,槳推力t和轉矩q為輸出。
  2. This flat spin, it ' s making me dizzy

    水平螺旋讓我暈頭轉向。
  3. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    機技術的優點有:無需監控系統,可自行調節體供給和供給頻率運行效率高於輪機和小型渦輪機效率梯度穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。
  4. For chitosan, when the concentration of chitosan is under 0. 1mg / ml, the structure of molecular chain can be observed by afm. at the same time, the refined structure of lyotropic liquid crystal of chitosan and the changes of structure were studied. films with liquid crystalline texture can be prepared from diluted solutions which concentration is lower than critical concentration of liquid crystal

    對于殼聚糖( chitosan ) ,通過afm直接對殼聚糖進行分子結構的觀察研究,發現在濃度低於0 . 1mg ml的稀溶液中用afm可以清楚觀察到糖鏈間形成的環狀或結構,以及鏈內側枝繞合排列的樹枝狀結構,這種現象是由於糖鏈間和糖鏈內的氫鍵締合所致。
  5. Abstract : based on problems occurred during the service of the ls spiral conveyer, such as, jam of uncharging orifice, short usefull life of the drop - hanger bearings, easy rupture of connecting parts ; quick wear of spiral vane, etc. and according to the practice of casting process, analysis of break downs, the author put forward the improvement ideas in order to promote the level of the design and manufacture for spiral conveyers

    文摘:針對ls型輸送機使用中存在的一些問題,如卸料口積料堵塞、吊軸承使用壽命短、連接件易斷裂、葉片磨損快等問題,依據在鑄造生產中的使用實踐,進行故障分析,提出了改進思路,以利提高輸送機整體設計和製造
  6. Fly straight and level form left to right as the helicopter is just about in front of the pilot, pull back cyclic, adjust the collective to maintain constant altitude and speed and hold the back cyclic as the helicopter completes one ( 1 ) full traveling tumbling back flip to upright

    由左至右保持直線飛行,當直升機在操控者的正前方時,將升降舵拉升舵,控制主翼的距使直升機保持固定的高度及前進速度,向後翻滾一圈完畢。
  7. Fly straight and level from left to right at a moderate speed as the helicopter is just about in front of the pilot, add extra collective momentarily, then simultaneously push forward cyclic, and adjust the collective to maintain constant altitude and speed and hold the forward cyclic until the helicopter completes one ( 1 ) full traveling tumbling front flip to upright

    由左至右保持適當速度的直線飛行,當直升機在操控者的正前方時,瞬間加大主翼的距,同時將升降舵打降舵,控制主翼的距使直升機保持固定的高度及前進速度,直到直升機向前翻滾一圈完畢。
  8. It indicated that not only can spirulina cells grow photoautotrophically and photomixtrotrophically, but also can grow heterotrophically under some specific conditions. light intensity, light quality, temperature, species and concentration of metals, rare earth elements and vitamins, salinity, cell concentration, dissolved oxygen level and magnetic filed etc., all play important roles in photosynthetic performance and cell productivity of spirutina

    認為藻細胞不但能進行光合自養和混合營養生長,而且在某些特定的環境條件下,還能進行異養生長;光照強度、光質、溫度、金屬元素、稀土元素、鹽度、藻體細胞濃度、溶氧、維生素、激素和磁場等環境因素對藻細胞的光合性能和細胞產率都有顯著影響。
  9. < uk > the configuration has two tractor propellers, full - span double slotted flaps deflected 45, and a high tail. < / uk >

    < uk >實驗模型有二兩拉力槳,全翼展雙縫襟翼偏轉45 ,並有高置的尾翼。 < / uk >
  10. The configuration has two tractor propellers, full-span double slotted flaps deflected 45°, and a high tail.

    實驗模型有二兩拉力槳,全翼展雙縫襟翼偏轉45,並有高置的尾翼。
  11. An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift

    翼機在飛行中以常規的槳來驅動並靠慣性滑行支持的,提供升力的轉儀
  12. The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors

    聲納所探測的潛艇噪聲包括兩部分,一是槳運轉帶來的動力噪聲,二是潛艇主機工作時產生的不衡力和力矩引起潛艇結構振動,帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計,已將動力噪聲降到比較低的程度,而結構噪聲則復雜得多,與許多因素有關。
  13. With the helicopter upright flying sideways straight and level from left to right, as the helicopter passes in front of the pilot, apply collective and right cyclic to complete an outside loop

    保持機尾朝向操控者,由左向右開始橫向飛行,當直升機通過操控者的前方時,加大主翼的距並且將副翼打右舵完成一個外浸斗。
  14. With the helicopter upright flying sideways tail - in straight and level from left to right, as the helicopter passes in front of the pilot, apply collective and left cyclic to complete an inside loop

    保持機尾朝向操控者,由左向右開始橫向飛行,當直升機通過操控者的前方時,加大主翼的距並且將副翼打左舵完成一個內浸斗。
  15. With the helicopter flying sideways nose - out straight and level from right to left, tumble the helicopter forward while traveling sideways, use collective to maintain altitude and speed across the ground, complete at least one ( 1 ) tumble

    保持機尾朝向操控者,由右向左開始橫向飛行,將升降舵打降舵,控制主翼的距,使機體能保持固定的高度及橫向速度,至少完成一個前滾翻。
  16. With the helicopter flying sideways nose - out straight and level from right to left, roll the helicopter to the left ( the same direction as the helicopter is flying ), use collective to maintain altitude and speed across the ground, complete at least one ( 1 ) roll

    保持機尾朝向操控者,由右向左開始橫向飛行,將副翼打左舵(與橫向飛行的方向同向) ,控制主翼的距,使機體能保持固定的高度及橫向速度,至少完成一個側滾。
  17. These are best employed from rotary - wing aircraft, but still pack a punch when employed from fixed - wing craft

    最適用於水平螺旋槳飛機,也是固定翼飛機的殺傷利器。
  18. The purpose of this study is to investigate the formation of liquid falling film and its flow behavior on the surface of a horizontal twisted and fluted tube used in the case of wet flue gas desulfurization, desalination, and so on

    本文從理論上研究了水平螺旋槽管壁面液膜的形成機理及流動特性,為工業生產過程中高效換熱器的應用提供理論基礎。本文做的主要工作有: 1
  19. The results indicate that the film thickness on the surface of the horizontal twisted and fluted tube becomes more uniform than the classical smooth tube

    結果表明,與光滑圓管相比,水平螺旋槽管表面的液膜變薄且分佈變均勻。
  20. If workers and firms believe that the inflation target will be hit, then short - term inflationary shocks, such as the recent jolt to energy prices, will be absorbed rather than setting off a wage and price spiral

    如果工人和公司相信通貨膨脹目標可以實現,那麼人們將會關注如近期能源價格波動這類的通貨膨脹影響,而不會產生工資和價格水平螺旋上升的現象。
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