The initial thrust is provided by the nine-engine cluster, fuelled by kerosene and liquid oxygen.
初始推进力由一拥有九个引擎的引擎组提供,使用煤油和液氧作为燃料。
Using the optimal control theory an optimal control law of agile turn is proposed enabling to eliminate velocity component in vertical director of initial sight under thrust vector control.
应用最优控制理论,提出一种最佳快速转弯控制律,能在推力矢量控制下消除终端时刻垂直于初始视线方向上的速度分量。
For high in situ stress occurred in Ertan dam area, combined action of initial in situ stress field, time and space effect during excavation and external loads arch thrust etc.
笔者针对二滩电站坝区存在的高地应力现象,从初始地应力场的建立、施工开挖的时空效应,直到与拱推力等外荷载共同作用下对坝基岩体稳定的影响全过程进行了分析和计算。
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