火箭專家 的英文怎麼說
中文拼音 [huǒjiànzhuānjiā]
火箭專家
英文
rocketeer-
Don ' t take a rocket scientist to figure out that eventually
別讓一個火箭專家指出發射的原因Don ' t take a rocket scientist to figure out that eventually.
別讓一個火箭專家指出發射的原因. .Other experts, and the iraqis themselves, argue that they are really to produce the rocket bodies for a conventional weapon, a multiple rocket launcher
另一些專家認為和伊拉克辯解稱，他們是用於製造常規武器的火箭彈彈體。New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported
主要內容包括：在總結決策分析與專家系統規則庫技術的基礎上，提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制，該機制能有效的將定量計算和定性知識融為一體，將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來；在多屬性效用理論的基礎上，建立了一般形式的復式效用模型，並實用化了全相關乘式效用模型，提供了較完善的通用建模、分析和解釋功能：引入了com dcom組件技術，開發了基於組件的widss系統，該系統基於形式化推理機制，易於擴展，能夠面向多種決策問題，具有較強的通用性；建立了遠程多管火箭炮全炮動力學模擬模型，將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中；利用碰撞接觸理論，對火箭彈在定向器管內的運動受力情況進行了模擬計算；建立了遠程多管火箭炮箱式發射改進方案模型，並利用動力學模擬計算結果在widss系統中進行了方案性能評估。Conceived in the reagan era as a response to the russians ' mir space station, it was used by bill clinton in the 1990s to keep russian rocket scientists from selling their expertise to rogue states
在雷根年代被構想為和蘇聯和平號對臺， 1990年代則被柯林頓拿來避免俄羅斯火箭科學家把他們的專業技術賣給流氓國家。Because of their low - cost, high safety and reliability, flexible energy management and shutdown - restart ability, hybrid rocket motors have received increasing attention from the space propulsion specialist all over the world
固液火箭發動機因具有低成本、高安全性和可靠性、靈活的能量管理和推力可控等特性，越來越受到國內外航天推進專家的重視。分享友人