第一次點火 的英文怎麼說

中文拼音 [dìyīcìdiǎnhuǒ]
第一次點火 英文
first ignition
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 火 : fire
  • 第一 : first; primary; foremost; first and foremost
  • 點火 : 1 （挑起是非） stir up trouble 2 （點燃; 打火） ignite; light the fire; fire up; strike a light; ...
  1. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。
  2. On march 19, 2003, hi - tech development zone management committee of weihai held the second friendship association with the key enterprises in our hotel

    2003年3月19日威海火炬高技術產業開發區重點企業聯誼會第二屆一次會議在金海灣廳舉行。
  3. The specimens may not burn with flaming or glowing combustion for more than 60 seconds after the fifth application of the test flame

    在第5次的火焰燃燒5秒鐘之後，沒有任何一片試片被點燃或持續燃燒超過60秒。
  4. The x - ray is isotropic measured by pin detector, the hard x - ray ( > 30kev ) production become smaller with the reduction of the incident laser intensity, when the intensity is lower than 101 ? w / cm2, there is no hard x - ray generation

    這是第一次實驗測量紫外飛秒激光輻照固體靶產生的硬x -射線連續譜，為研究把紫外激光應用於慣性約束聚變「快點火」的可能性提供了實驗數據。
  5. A rocket carrying two chinese astronauts blasted off wednesday from a base in china ' s desert northwest, returning the country ' s manned space program to orbit two years after its history - making first flight

    載有兩名中國宇航員的火箭周三在中國西北沙漠基地點火起飛，這是自中國歷史上第一次載人飛行兩年後再一次回到空間計劃的軌道上來。
  6. This paper analyzes the occurring of land conversion with burning theory, and points out that land conversion is results from population increase, resource endowment, economic development, farmland ' s low comparative economic benefit, unreasonable distribution of framland ' s income, vague land property right, shortsighted activities of local government, the first revolution of urban land use system and rapid urbanization

    論文運用社會燃燒理論分析了農地非農化過程的發生，認為農地非農化是在「燃燒物質」人口增長、資源稟賦、經濟發展， 「助燃劑」農地比較經濟效益低、農地非農化收益分配不合理、土地產權、權能模糊和地方政府的短期行為， 「點火溫度」城市土地使用制度的第一次革命和快速城市化下共同作用的結果。
  7. Weight was divided in not less than a hundred parcels ; as to the barrel that had been wet, i did not apprehend any danger from that, so i plac d it in my new cave, which in my fancy i call d my kitchin, and the rest i hid up and down in holes among the rocks, so that no wet might come to it, marking very carefully where i laid it

    在包裝和儲藏火藥的兩星期中，我至少每天帶槍出門一次。這樣做可以達到三個目的：一來可以散散心二來可以獵獲點什麼東西吃三來也可以了解一下島上的物產。第一次外出，我便發現島上有不少山羊，使我十分滿意。
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