factor reversal test造句

例句与造句

1. He proposed also in his dissertation " Relative Changes and Index Numbers " in 1976 another index known as Montgomery-Vartia ( or " Vartia I " ) index, which satisfies Time and Factor Reversal Tests and is Consistent in Aggregation.
2. It's difficult to find factor reversal test in a sentence. 用factor reversal test造句挺难的