有效周期 meaning in English
effective period
Examples
- The life cycle of a check begins when the drawer writes a check and delivers it to the pages .
支票的有效周期始于出票人开好支票，交给受款人之际。 - Based on data collected from east china sea , the waves are calculated and analysed statistically , therefore as obtained the relation between wave height and significant period as well as average period
摘要根据实测数据对我国主要渔区（东、黄海）的波浪进行了统计分析，得出适用于该海区的有效波高与有效周期及有效波高与平均周期的统计关系式。