Two performance index formulae are introduced to determine the optimum topology design.
2
并在引入了随机预报的概念之后,推导出判别预报水平高低的一种较合理的总指标公式。
Introducing the concept of random forecast, we propose to adopt a combined indicator, which is more reasonable for estimating the quality of the proton-event forecast.
3
本文还对机构的传动质量指标进行了探讨,得到了能适用于一般基本机构的传动质量指标公式。
The transmission quality index of mechanism is also discussed in this paper and a normal formula of transmission quality index for the general basic mechanisms is obtained.