旋升螺線 的英文怎麼說

中文拼音 [xuánshēngluóxiàn]
旋升螺線 英文
helicospirals
  • : 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...
  • : Ⅰ動詞1 (由低往高移動) rise; hoist; go up; ascend 2 (等級提高) promote Ⅱ量詞1 (容量單位) lit...
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Liang qi - chao believed that history is evolving constantly and the " evolution " is limitless ; it is progressive but has twists ; it is in a spiral ascendance rather than in a straight line

    摘要梁啟超認為歷史是「進化」的,它具有進步性和曲折性,呈無極限之狀而非直
  2. Dalian jialin equipment manufacture co., ltd is engaged in developing, designing, manufacturing and installing auto conveyors, assembling line ( roller - type, strap type, chain - type, chain belt type, screw - type, assemble mechanical hand, hydraulic elevator ) and packing automatic assembly line ( automatic case back - sealing machine, automatic case folding & sealing machine, high speed case opening machine, wrapping machine, automatic pallet, bundler ) of complete sets of equipments

    大連佳林設備製造有限公司是一家生產工廠成套自動化輸送、組裝(滾筒式、皮帶式、鏈式、鏈板式、網帶式、式、組裝機械手、液壓降臺等) ;工廠成套自動化包裝(紙箱自動成型封底機、全自動折蓋封箱機、全自動高速開箱機、裝箱機、全自動托盤碼垛機等)的開發、設計、製造、安裝等一條龍服務的專業廠家。
  3. In the core, coriolis forces deflect the upwelling fluid along corkscrewlike, or helical, paths, as though it were following the spiraling wire of a loose spring

    在地核中,科氏力使涌的流體沿著像開酒瓶器的,彷佛順著彈簧的圈移動。
  4. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德,平面等角,軸向模圓柱,具有固定角的圓錐和圓錐等角為例,用矩量法求解了天上的電流分佈,研究了輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  5. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明:此次霍山暴雨發生前後,存在明顯的大強度低空急流,並受到中尺度切變的影響,而且正渦度的加強引起了輻合加劇,提高了上速度從而引起降水,同時暴雨發生前度的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。
  6. Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water

    其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使槳尾流的折射水量增強,進而增大了水動力的作用,使之比普通流形舵的力提高30左右。
  7. 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

    由左至右保持水平直飛行,當直機在操控者的正前方時,將降舵拉舵,控制主翼的距使直機保持固定的高度及前進速度,向後翻滾一圈完畢。
  8. 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水平直飛行,當直機在操控者的正前方時,瞬間加大主翼的距,同時將降舵打降舵,控制主翼的距使直機保持固定的高度及前進速度,直到直機向前翻滾一圈完畢。
  9. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把力面設計方法、基於面元法預報槳非定常性能的諧調分析方法,新剖面設計方法、有效運轉曲計算方法組合為一套完整的非均勻流場中槳設計計算系統,經實例設計和模型試驗及實船的應用,該設計系統是可靠且有效的。
  10. In the present work, there are two methods to design the shrouded - propeller. one is based on the blade element and momentum theory, the other is based on the ufbng - line ( surface ) theory derived from circumfluence theory

    在實際工作中,函道槳的設計有兩種方法,一種是基於葉素理論與動量定理的工程方法;另一種是基於(面)方法的環流理論方法。
  11. Vertical screw lift take - up stand

    立式降收
  12. The evolvement of folk law from traditional to modem is an evolving route of ascendant helix

    民間法從傳統向現代的演進遵循著一條式的進化路
  13. The aerodynamic interference between the shroud and the propeller is calculated by lifting line theory. its precise, proved by wind tunnel test here, satisfies the engineering demand

    在計算槳的參數時,仍以有限葉數模型進行處理,並用誘導因子法來計算槳葉尾渦系在上產生的誘導速度。
  14. The temperature stress made the cells optimal irradiance range narrow and also made their sensitivity to irradiance. study on the daily variation of photosynthesis in different weather in four seasons in a year was carried out, too. the results showed that the daily variation curves of s1, s2 and s3 were two - peak curves in high irradiance, and the higher the irradiance was, the earlier the first peak appeared. in the weather with low irradiance ( for example, in cloudy day ), the photosynthetic rate varied with the irradiance changing

    四季溫室不同天氣(晴天、多雲天氣和陰天)藻光合速率日變化測定結果顯示,在光照較強的天氣(如晴天) , s _ 1 、 s _ 2和s _ 3的光合速率日變化曲呈雙峰曲,且光照越強,峰值出現越早;在光強較弱的天氣,光合速率隨光強的降而降。
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