- effective time constant
- 有效时间: effective time; net time
- 常数: constant
- 等效时间常数: equivalent time constant
- 有效时间: active session; active time; available time; availabletime; duration of validity; effective time; functioning time; operational use time; pot life; significant interval; time,effective; valid time; virtual time
- 有效时间表: active time list
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