根据液体火箭发动机系统设计确定的离心泵的性能参数，对泵叶轮的几何参数分别进行了单目标和多目标优化设计。
The structural candidates of centrifugal impeller were designed respectively from single-objective and multi-objective optimization based on the system design of liquid propellant rocket engine.
涉及了主要的泵的类型，描述了性能参数以及影响因素，并提供了如何计算输入功率的简单示例。
It covers the main pump types describes performance characteristics and factors and provides a quick look at how horsepower requirements are calculated.
本文给出脉冲式可调谐染料激光器的结构参数及其泵浦源的性能参数。
Constitutional parameters of the pulsed dye laser and properties of the pumping laser are given.
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