Carboniferous Period—Permian Period

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

middle_period and last_period state_mines

Paleogeng Period-Neogene Period

period shut-down (period trip)

period-to-period value changes

Spring and Autumn period and Warring States period

the Spring and Autumn Period and the Period of War

Adaptive Double-Dwell

average dwell time

Averaged dwell time

avoid the important and dwell on the trivial

base line dwell time

cam dwell

coupler dwell mechanism

crank-gear dwell mechanism

double dwell

double-dwell search

Dual-axis rotation-dwell