double function的用法和样例：
例句
- The washer with douBle effect -- washing and drying -- is popular.
洗衣，烘干集一机，双重功能受欢迎。 - 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.
量词的双重功能决定了量词命题由一个数量前提和一个受此数量制约的逐指性的全称命题两部分组成，其数量可以脱离命题单独进行运算。
