extra atmospheric 中文意思是什麼
extra atmospheric
解釋
大氣層外的- extra : adj 1 額外的，附加的，補充的。2 另外收費的。3 特大的；特優的，特級的。n 1 外加物；贈品，附加物；...
- atmospheric : adj. 1. 大氣（中）的。2. 大氣所致的。3. 空氣的。4. 氣壓的。5. 有…氣氛的。adj. -ical ,-ically adv. 在大氣影響下，氣壓上。
-
Extra - atmospheric trajectory design of an intercontinental ballistic missile
洲際彈道導彈大氣層外彈道設計 -
The main works of this thesis are research of lateral force control and guidance of interceptors, emphasized on the terminal phase when intercepting the tactical ballistic missiles, including the performance analysis of extra - atmospheric kinetic - kill vehicle piloted by trajectory - control and attitude - control systems, and combined control of aerodynamics with lateral jets in atmosphere
本文主要研究攔截彈在攔截戰術彈道導彈時，末段的制導和側向力控制問題，包括大氣層外動能攔截器在姿控與軌控發動機作用下的性能分析，和大氣層內側向力與氣動力復合控制研究。 -
The main work and achievements are described as follows : ( 1 ) the analysis of the extra - atmospheric kinetic - kill vehicle at first, the motion model and dynamics model of the kinetic - kill vehicle is constructed, and the thrust performance of trajectory - control system and attitude - control system are presented, then the algorithms of realizing the guidance law, the methods of trajectory and attitude control are studied
研究內容及成果主要表現在以下幾個方面： （一）大氣層外動能攔截器分析首先建立了動能攔截器運動學和動力學模型，以及軌控發動機和姿控發動機的推力模型，提出了攔截導引律的實現方法及軌控和姿控發動機的控制規律。 -
It can be concluded as following : water absorptivity of high strength ceramsite is different from that of extra - light ceramsite. in atmospheric pressure, water absorption rate of high strength ceramsite is very small, which 1hour and 75 days water absorption rate is only 2 % and 5. 7 % respectively
上述分析研究得出以下結論：高強陶粒的吸水特性不同於超輕陶粒，其常壓吸水率很小， 1小時吸水率為2 ，吸水速度很慢， 75天吸水率僅5 . 7 。
分享友人