double function的用法和樣例：
例句
- The washer with douBle effect -- washing and drying -- is popular.
洗衣，烘乾集一機，雙重功能受歡迎。 - The double function of quantifiers determines the thesis of quantifier which is composed of a numberal premise and a literal whole thesis.Its number can be calculated separately.
量詞的雙重功能決定了量詞命題由一個數量前提和一個受此數量制約的逐指性的全稱命題兩部分組成，其數量可以脫離命題單獨進行運算。
