波達管口 的英文怎麼說

中文拼音 [guǎnkǒu]
波達管口 英文
borda mouthpiece
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : Ⅰ名詞1 (人或動物進飲食的器官; 嘴) mouth 2 (容器通外面的地方) mouth; rim 3 (出入通過的地方) ...
  • 波達 : poda
  • 管口 : mouth of pipe; orifice; pipe orifice; orificium
  1. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激內流動及冷效應的影響進行了較系統的理論和實驗研究,主要包括:探討了脈動射流的型式對形成內激形成及激強度的影響,給出了不同脈動射流的型式下振蕩端初始間斷的類型,對初始間斷進行了分解,導出了包含進氣、排氣參數及工質物性參數的內入射激馬赫數mj的表式,給出了內激形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  2. At the same time, in order to increase the gain of the radiation aperture, a new way to enlarge the waveguide radius is presented. and a gigawatt level of averaged output power with quasi - single tmoi mode is obtained at 3. 9ghz under the diode voltage of 550kv and the beam current of 23ka

    同時,為增大輻射增益,提出了一種增大半徑的方法,並且在二極體電壓為550kv 、束流為23ka的條件下,模擬獲得了平均功率gw量級,頻率為3 . 9ghz的準tm _ ( 01 )模式的微輸出。
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