优函数 meaning in English

major function

Many texts define a hermitian operator as the following equation that satisfies for all well-behaved functions f and g .
许多教科书将厄米算符定义为对所有的品优函数f和g满足下式的算符。
Then it probes the optimal pole - placement of hydraulic turbine governing system with the synthetical dominant pole - placement method based on the optimal state - adjuster and deduces the optimal relations of the parameters between the controlling objects and the regulating system
之后，结合基于最优状态调节器的综合主导极点的配置方法，对水位调节模式下调节系统的极点进行最优配置，得出了调节对象与调节参数之间的最优函数关系。
Through analyzing main factors on the parameter of drainage networks expanse , this thesis ascertains a new parameter form of drainage networks expense and regressively analyses each parameter of drainage networks expanse by statistical software spss , approving that the new drainage networks expanse is a better parameter compared with other parameters of drainpipe net expense
本文通过对排水管网费用函数各主要影响因素的分析，推求出新的排水管网费用函数形式，并利用spss统计软件对各个排水管网费用函数进行了回归分析，证实新的排水管网费用函数与其它排水管网费用函数相比较为较优函数。