本文利用一条等熵参考线和两个等焓偏导数建立了火箭发动机性能参数的外推公式。
In this paper, the extrapolation formulas of rocket engine performance parameters are established utilizing one isentropic reference line and two partial derivatives for fixed enthalpy.
同时，由于高动态环境下对数据更新率的要求，推导出轨道快速外推公式替代动力学方法来计算卫星的在轨位置。
At the same time, on the request to the data refresh rate in high dynamic environment, the paper deduces the rapid extrapolation algorithm of the orbit to replace dynamic model method.
导出了外推参数的计算公式。
The computing formulae for extrapolation parameters are also derived.
在实验数据和理论公式相结合的基础上对格栅蠕变行为进行外推，这是预测格栅的长期使用寿命的方法之一。
One of predicting methods of is to extrapolate its creep behavior based on the combination of testing data and theory formula.
本文从磁能出发分析外磁场作用在任意载流线圈的磁力和磁力矩 ，从而推证出任意载流线圈在均匀磁场中所受磁力矩公式。
This paper put forward the moment of magnetic force acted on current-carrying coil in even magnetic fied is revolving of regular axle and the method of determined the place of revolving axle.
本文从磁能出发分析外磁场作用在任意载流线圈的磁力和磁力矩，从而推证出任意载流线圈在均匀磁场中所受磁力矩公式。
According to simplifying rule of force system, the force suffered by a coil carrying current in magnetic field, can be summed up to a resultant of magnetic forces and a total moment of magnetic force.
本文从磁能出发分析外磁场作用在任意载流线圈的磁力和磁力矩，从而推证出任意载流线圈在均匀磁场中所受磁力矩公式。
According to simplifying rule of force system, the force suffered by a coil carrying current in magnetic field, can be summed up to a resultant of magnetic forces and a total moment of magnetic force.
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