根据远场衍射模式和速差补偿理论，提出了一种在较大观测范围内二面角速差补偿方法。
In terms of FFDP and velocity aberration compensation theory, a new method of using dihedral Angle offset for compensating velocity aberration in large observation range is put forward.
密闭燃烧器法是一种能测定很宽压强范围内固体火箭推进剂燃速特性及变化情况的快速测量方法。
Burning rate measurement with closed burner is a rapid method for measuring burning rate character and its change of solid rocket propellants in a wide pressure range.
水泵降速运行是水泵的一种节能调节方式，确定水泵的高效降速范围是保证系统经济运行的前提。
The lapse speed operation ci pumps is a kind of energy-saving regulation. The economical operation of the system presuppose the determination of high-efficient lapse speed range of pumps.
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