1) An introductory occurrence or fact; a preliminary.
开端预兆性事件或事实;开端
2) preamble
[英][pri'æmbl] [美][prɪ'æmbḷ]
序言;开端;预兆性事件;引导程序
4) Everything has its beginning.
凡事都有开端。
5) at the threshold of a new career
新事业的开端
6) extreme event
极端事件
1.
Determining the threshold of extreme events with detrended fluctuation analysis;
基于去趋势波动分析方法确定极端事件阈值
2.
After that,we study the correlations between extreme events using return interval,and compare the multifractal properties of the three types of time series.
其次,我们应用重现区间理论研究了极端事件的相关性,对三类不同时间序列的多重分形性进行分析比较。
补充资料：开端
（事情）起头；开头：良好的～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条