Current frequency and scope in limiting electricity period were put forward.
提出了限电时期的升降电流频率及幅度。
Flood frequency (return period) is referring to recurrence probability of flood in certain period.
洪水频率(或重现期)是指一定时期内某种洪水出现的机率。
Standard work period frequency annualization factor.
标准工作期间频率年计系数。
Standard work period frequency annualization factor.
标准工作期间频率年计系数。
应用推荐