Demand charge shift from the on-peak period to the off-peak period

11th Five Year Scheme Period

11th-Five-Year Plan Period

12th five-year plan period

5.4 period

Golden period of development

Left-wing Federation period

″later period negotiation″ algorithm

11th Five Years Period

11th-five plan period

11-year period

12 th five-year period

2002~2004 period

22-year’s period

2-period

5th seismically active period

7-week learning period

a grave period

a life period model

a long period of stability