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- A particular stage in a periodic process or phenomenon. 相，周相周期性的过程或现象中的特殊阶段
- The number of complete cycles of a periodic process occurring per unit time. 次数单位时间内周期过程中发生的次数
- A periodic process. 周期现象一段期间的过程
- Based on these results, the ergotic of 1-order distribution function of stochastic primary phase periodic process are derived (Corollary 2). 利用这些结果，讨论了随机初相位周期过程一阶分布函数的遍历性（推论2）。
- a particular stage in a periodic process or phenomenon 周期性的过程或现象中的特殊阶段
- Current-zero period process and its charcteristics of AC TIG arc 交流TIG电弧的过零过程及其状态特征
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- the number of complete cycles of a periodic process occurring per unit time 次数单位时间内周期过程中发生的次数
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史？
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的？
- Chaucer wrote in the late mediaeval period. 乔叟写作的时代是中世纪末。
- She'll be away for an indefinite period. 她将离开一段时间，何时回来未定。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
