并通过系统响应曲线图对设计的PID控制器的性能进行评估。
And evaluate the performance of PID controller by the step response of the system.
在火炮后坐系统设计中，设计人员需要后坐体的运动阻力曲线来分析评价后坐系统的性能。
In the design of the recoil system, the designer need the recoil resistance curve to evaluate the performance of the recoil system.
介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.
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