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- "They show a periodic recurrence of certain properties, first discovered in 1869 by Dmitry I.Mendeleyev. 它们呈现出某些特性的重复出现,由门得列夫在1869年首先发现。
- Nearly all the important concepts and subjects of the poetry owned during this period recur or preview. 几乎明、清两代诗学所有重要的概念、话题都在此重演或预演过。
- TurnTo recur in cycles or at periodic intervals. 循环往复:在周期中或周期性间隔中重复出现。
- The quality or state of being periodic; recurrence at regular intervals. 周期性周期出现的性质或状态; 以固定的间隔而发生
- 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。
- And supports them with certainty,exempt from those periodically recurring famines so abundant in the early history of Europe,and in Oriental countries even now not unfrequent. 而且可以十拿九稳地养活,欧洲早期历史上常见的、目前在东方诸国仍周期性地发生的那种饥荒,已经看不到了。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- The return of a trait or recurrence of previous behavior after a period of absence. 重现经过一段时间的缺失后,一特征的重新出现或以前特性的再次发生
- 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?
- Recurrence of AIA may shorten the incubation period. 反复的AIA发作可使潜伏期缩短,病情加重。
- 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。