例句與造句

1. In 2001 , professor zhang defined the inclusion variations , disjoint variations and chain variations of set functions , and then discussed the properties of the three kinds of variations . he found that variations play an important role in the decompositions of signed fuzzy measures and signed lower semicontinuous fuzzy measures , just as they do for signed measures , additive fuzzy measures , non - monotonic fuzzy measures and t - measures
   2001年，在論文《 somepropertiesofthevariationsofnon - additivesetfunctions 》和《 somepropertiesofthevariationsofnon - additivesetfunctions 》中，張強(qiáng)教授提出了集函數(shù)的內(nèi)含變差，不交變差和鏈變差的概念，并詳細(xì)討論了這三種變差的性質(zhì)。
2. It's difficult to find variation play in a sentence. 用variation play造句挺難的