✔ 最佳答案
nanosecond 0.000 000 001 seconds
microsecond 0.000 001 seconds
millisecond 0.001 seconds
second 1 second
minute 60 seconds
hour 60 minutes
day 24 hours
week 7 days
fortnight 14 days 2 weeks
month 28 to 31 days
quarter 3 months
year 12 months
year 365 days
leap year 366 days
Olympiad 4 year cycle
lustrum 5 years
decade 10 years
Indiction 15 year cycle
score 20 years
generation 25 years
century 100 years
millennium 1,000 years
飞秒(fs)
皮秒(ps)
纳秒(ns)
微秒(µs)
毫秒(ms)
秒(s)
小时(h)
日(d)
年(yr)