subsonic 中文意思是什麼

subsonic 解釋
adj. 形容詞 亞音（速）的。
n. 名詞 亞音速飛機。

  1. This airplane can go out to high subsonic speeds very easily without using afterburner

    這架飛機能夠很輕松地在不打開加力的狀態下飛到高亞音速。
  2. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  3. This is, of course, the reason why a sonic boom hits us with all its fury from a supersonic aircraft but not from a subsonic one.

    當然，這就是為什麼音爆從超音速飛機上以它的全部力量向我們沖來，而音速飛機上則沒有音爆傳來。
  4. Unlike in subsonic and transonic speed regimes, the interference resulting from the finite size of the test region is seldom present.

    不像在亞、跨音速區域，這里因試驗段尺寸有限造成的干擾是難得存在的。
  5. Design and performance of s - shaped inlet for high subsonic missiles

    彎進氣道設計及其特性
  6. The state analysis of subsonic gases in gradually reducing pipelines

    漸縮形管道中亞音速氣流的物態分析
  7. Subsonic potential flow

    亞聲速勢流
  8. Flow at subsonic velocity

    亞聲速流
  9. The empty weight to total weight ratio of subsonic maneuverable missile was given experimentally

    利用經驗的預測方法對亞聲速飛航導彈的空重比進行預測。
  10. Exploring mechanism of stall margin enhancement of subsonic axial - flow compressor through steady micro tip injection

    定常微量噴氣提高軸流壓氣機穩定工作裕度機理探討
  11. Several other types of ammunition were developed for this weapon, including tracer, subsonic ball and soft - core training ball

    其他幾個種類的武器彈藥制定本等示蹤劑，亞音速球和軟球訓練核心
  12. On the base of the numerical simulation of unsteady viscous flows, the characters of the static aeroelastics and flutter for the wings are researched. some examples, simulating the steady and unsteady transonic ( and subsonic ) viscous flows around onera m6 wing, are given in this paper

    以oneram6機翼為算例，分別對其亞、跨音速定常及非定常粘性繞流狀態進行了數值模擬，並運用b - l和j - k兩種湍流模型計算結果和實驗數據進行了對比。
  13. A requires all subsonic narrow - bodied jet aircraft flying in and out of hong kong to meet with the most stringent international noise standard ; and requires all subsonic jet aircraft taking off or landing in hong kong to be certificated in accordance with international established procedures

    A規定所有亞音速狹體噴射機必須符合最嚴格的國際噪音標準，方可在香港升降及b規定所有亞音速噴射機必須遵照國際民航公約規定程序領取證明書，方可在香港升降。
  14. In the range of flight mach number mo = 3 ~ 7, in order to take the advantage of ramjet and scramjet, a fix - shaped dual - mode scramjet, in which both subsonic and supersonic combustion can be obtained, is used for hypersonic vehicle

    在飛行馬赫數m _ = 3 - 7的范圍內，為充分發揮沖壓發動機的性能優勢，高超聲速飛行器採用了既能在亞聲速燃燒模態，又能在超聲速燃燒模態下工作的固定幾何形狀的雙模態沖壓發動機。
  15. Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage

    火箭基組合動力循環（ rbcc ， rocketbasedcombinedcycle ）將傳統的火箭發動機和吸氣式發動機的優點集中組合到一個具有多種工作模態（包括引射、亞燃、超燃及火箭模態）的發動機里，在不同的飛行階段啟用不同的工作模態，因此具有大幅提高航天推進系統經濟性與高效性的潛在優勢，並可能發展成為下一代單級可重復使用航天器以及高超聲速導彈武器的動力系統。
  16. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組，數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流，並在此基礎上研究了彈性機翼的氣動彈性問題。
  17. It requires all subsonic aircrafts using the hong kong international airport to be certified as meeting the most stringent standards

    按該條例規定，所有亞音速飛機必須持有證明書，確定飛機符合最嚴謹的噪音標準，方可在香港國際機場升降。
  18. According to the jet theory and the characteristics of the flow, the flow can be divided into 6 zones : supersonic core zone, supersonic mixing zone, subsonic mixing zone, secondary flow zone and expanding zone. the rules to distinguish these zones were established. 2

    根據射流理論及引射流動特點，將引射流場結構劃分為超聲速核心區、超聲速混合區、亞聲速混合區、支板背壁迴流區、二次流流動區以及發動機後部膨脹區，並確定了各區域準確劃分的原則。
  19. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上，與顫振運動方程相耦合，分別對機翼和全機流固耦合現象中顫振問題進行了研究，準確求解跨音速顫振臨界速度，分析機翼和全機的從亞音速到超音速范圍的顫振規律，並研究分析了機翼飛行迎角變化對顫振速度的影響。
  20. The coatings deposited with a new subsonic flame spraying possess high bonding strength, low porosity and is low costly, at the same time, it is applied to the worksite of boiler tubes specially. the coatings applied to water wall tubes were deposited by subsonic flame spraying in this study

    本課題採用了一種新型亞音速火焰噴塗技術制備鍋爐水冷壁管道塗層，其塗層不僅結合強度高、孔隙率較低，而且塗層制備的成本低，特別適用於鍋爐水冷壁管的現場噴塗。
分享友人
分享到 Line

分享到臉書