【电】 early-failure period
alpha; beginning; cue; dayspring; origin; proem; start; threshold
【经】 debut
defeat; fail; lose; miss; miscarry; loss; failure; miscarriage
【经】 frustration; rocks
cycle; period; wheel
【计】 C; cycle time; loop cycle; periods
【化】 period
【医】 cycle
【经】 cycle; period