词汇	基本额定寿命
释义	基本额定寿命医basic rating life
随便看	time-invariant delays time-invariant gait time-invariant linear filter Time invariant linear system time-invariant linear system time-invariant model time invariant operation time-invariant operation time-invariant regulator timeinvariant system time invariant system time-invariant system time invariant variables time invarinat data time invarinat element time invarinat system time invarying system time inversion time inversion invariance time inverter time irreversibility Time is 60 seconds Time is 60 seconds,is not a short period Time is 60 seconds, is not a short period Time is a great healer