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- The opening ceremony included 10,000 performers as well as a jet propelled rocket man who flew unassisted above the athletic field. 上萬(wàn)人參加了開(kāi)幕式的表演，還有一個(gè)噴氣推進(jìn)的火箭飛人，在沒(méi)有任何協(xié)助的情況下，在體育場(chǎng)上空暢游。
- We shall try by means of a highly simplified development to expose certain advantages and disadvantages of solid propellant rocket systems. 我們想通過(guò)相當簡(jiǎn)單的推導來(lái)試圖闡明固體推進(jìn)劑火箭系統的某些優(yōu)缺點(diǎn)。
- According to the requirement of pasty propellant rocket motor, a composite plasma igniting plan was adopted. 摘要根據膏體推進(jìn)劑火箭發(fā)動(dòng)機。
- A type of reaction-propulsion engine to propel rockets in space,a stream of positive ions is accelerated to a high velocity by an electric field. 推進(jìn)火箭進(jìn)入太空的一種反沖力發(fā)動(dòng)機；在電域中正離子作加速運動(dòng)。
- J.J. Choury,carbon/carbon materials for nozzle of solid propellant rocket motors[J].AIAA76-609. 崔紅;李瑞珍;蘇君明等.;多元基體抗燒蝕炭/炭復合材料的微觀(guān)結構分析[J]
- To appreciate the unsteady environment existing in liquid propellant rocket chambers it is necessary that the steady state be well understood. 為了分析液體推進(jìn)劑火箭發(fā)動(dòng)機燃燒室中存在的非穩態(tài)環(huán)境，必須很好地了解穩態(tài)狀態(tài)。
- The results of the experiments show that the technique is a rapid, effective method for the disbond detecting of solid propellant rocket motors. 實(shí)驗研究結果表明,該技術(shù)可對固體火箭發(fā)動(dòng)機鋼筒與絕熱層之間的脫粘作快速有效的檢測。
- This pa per presents plume temperature measurements of a mounted solid propellant rocket engine measured using a 6-target 8-wavelength pyrometer. 對于固體火箭發(fā)動(dòng)機羽焰溫度的測量是困難的,了解其溫度分布對于研究發(fā)動(dòng)機內燃燒流場(chǎng)的特性有重要價(jià)值。
- It is an important and basic issue to choose monitoring parameters of Liquid propellant Rocket Engine (LRE) monitoring system in ground test. 摘要確定監測參數是液體火箭發(fā)動(dòng)機地面試驗監控系統的一個(gè)重要而基礎的問(wèn)題。
- The dynamic models of engine parts in a new high-performance staged combustion cycle liquid propellant rocket through the module codified were built. 通過(guò)模塊化編程，建立了新一代高性能補燃發(fā)動(dòng)機啟動(dòng)過(guò)程的部件模型。
- Our pilotless rocket enters the track of the earth. 我們把一個(gè)無(wú)人駕駛的火箭送入了地球的軌道里。
- The principle of coriolis force mass flowmeter and its application in gelled propellant rocket engine test are introduced,results of the test are also analyzed. 介紹了科氏力質(zhì)量流量計的原理及其在凝膠發(fā)動(dòng)機試車(chē)中的應用,并對熱試車(chē)的測量數據進(jìn)行了分析。
- To overcome the difficulties on acquiring enough fault modes from ground and flight test data, the failure process for liquid propellant rocket propulsion systems was modeled. 為克服由于試驗或飛行數據不足而無(wú)法獲取系統足夠故障模式的問(wèn)題，開(kāi)展了液體火箭推進(jìn)系統故障過(guò)程建模與計算機仿真研究工作。
- An adaptive threshold algorithm consisting of two stages based on autoregressive model was presented for monitoring the steady process of Liquid Propellant Rocket Engine(LRE) in ground test. 提出一種基于自回歸模型的自適應閾值檢測算法用于監測液體火箭發(fā)動(dòng)機地面試驗的穩態(tài)過(guò)程,該算法由兩個(gè)階段組成。
- Using pintle technology, a conventional solid propellant rocket motor can provide variable thrust levels, increasing the energy utilizing efficiency and improving the capability of the missile. 喉栓式變推力發(fā)動(dòng)機可實(shí)現固體火箭發(fā)動(dòng)機的推力調節，提高能量利用效率，從多方面提升導彈武器的作戰效能，因此具有強烈的軍事需求。
- His addiction to drugs propelled him towards a life of crime. 他吸毒成癮使他走上了犯罪的道路。
- They planned to send a rocket to the moon. 他們計劃向月球發(fā)射火箭。
- A rocket is propelled by the ejection of a portion of its mass to the rear. 火箭是靠向后噴射其部分質(zhì)量而推進(jìn)的。
- Up to now, it is only the rocket which can propel a space vehicle. 至今，只有火箭才能推進(jìn)宇宙飛行器。
- The new Ford Magneto boasts 87 mpg on the highway. 新福特磁發(fā)動(dòng)機在高速上可跑87英里／加侖。
