您要查找的是不是：
- Similar to general product life cycle, television news the developmentof the program also presents period phenomenon. 与一般产品生命周期一样,电视新闻节目的发展也呈现周期现象。
- This paper analyses the results of testing, and on the basis of current oscillogram after arc current zero, devides a. c. arc current-zero period phenomena into four different types. 本文分析了电弧电流零点后电流波形的试验结果;把电弧电流零区现象分为四种不同的类型;提出了交流电弧两种电流过零现象及电弧重燃与熄灭过程的一些新看法.
- Before 1985, the periodical phenomenon of AAAT changes in different years was apparent, and the periodicity was about 7-8 years. 引起年平均气温上升的主要原因是湿季气温的明显上升，这与湿季多云、空气湿度大和空气中烟尘含量增加等多方面因素的积加作用有关。
- 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 STUDY ON RELATION BETWEEN AREA HEAVY FIRE PERIOD PHENOMENA AND SUN ABNORMAL ACTIVITY 区域高火险时段现象与太阳活动异常的关系研究
- 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。
- The meeting finally came to a period. 会议终于结束了。
- A period signals the end of a sentence. 句号表示一个句子结束了。
- She is publishing a history of the war period. 她有一部战争时期的历史著作正在印行。
