Unusually, then, the change of sovereignty was preceded by a long planningperiod.
不同寻常的是，主权变更之前是长时间的规划。
2
A spare plan obtained using the presented method includes the Numbers of spares and timing of each spare in a long term planningperiod.
用提出的方法所获得的设备备用方案，包括在长期规划期间应购置的备用设备数量和每个备用设备投入的时间。
3
Through good project management, to ensure the implementation of project progress as planned, the project successfully completed in the planningperiod.