However, the structure adjustment and system optimization should be based on the integral understanding of the agricultural production system, and its regularity of systematic structural evolution.

农业结构的调整，必须建立在对系统整体认识的基础上，必须符合系统结构本身的演变规律。

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And the use of orthogonal test conducted on the hydro-turbine governing system parameters PID conditioning system optimization, have been better adjustment parameters.

并采用正交试验法对水轮机调节系统进行PID调节系统参数的优化，得到了效果较好的调节参数。

youdao

And the use of orthogonal test conducted on the hydro-turbine governing system parameters PID conditioning system optimization, have been better adjustment parameters.

并采用正交试验法对水轮机调节系统进行PID调节系统参数的优化，得到了效果较好的调节参数。

youdao