The optimal harvesting policyproblem is modified to be more reliable and better results are obtained.
对于最优捕获策略问题做了更实际的改进，得到了较好的结果。
2
S&T policymaking procedure includes S&T policyproblem acknowledgement, S&T policy agenda setting, S&T policy planning, and S&T policy legitimatizing.
科技政策制定的程序包括确认科技政策问题、建立科技政策议程、科技政策规划及科技政策合法化。
3
Optimal maintenance policyproblem in a system is discussed and analysed in this paper. Due to the random variable concerned, one objective mathematical model of expectation value is developed.