Introduced the optimized parameter of the multi screw and the design technique progress of thrust bearing system.

并对多螺杆的参数优化以及推力轴承系统的设计技术进展进行了介绍。

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Engine pressure ratio (EPR), the ratio of inlet pressure over exhaust-let pressure measurements. The ratio is used as the primary parameter to set thrust on some engines.

发动机压力比(epr)，进气压力与排气压力值的比，某些发动机以此作为设定推力的主要依据。

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Then a scheme of limited thrust guidance with virtual reentry point compensation was put forward to eliminate planning error and the selection of shutdown parameter was analyzed briefly.

为了消除设计偏差，提出了一种基于虚拟再入点补偿的有限推力制导方案，并简要分析了关机点参数的选取原则。

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