numeric type短语⁶⁴¹⁶⁰ 基本例句 数字型 Explicit numeric conversion is used to convert any numeric/span> type to any other numeric type, for which there is no implicit conversion, by using a cast expression. 显式数值转换用于通过显式转换表达式，将任何数字类型转换为任何其他数字类型。对于它不存在隐式转换。 microsoft