必选项 meaning in English
affirmatively chosen item
Examples
- Required if the procedure takes parameters
如果过程接受参数，则为必选项。 - Data type of the value returned by the procedure
，则为必选项。过程所返回值的数据类型。 - This is required if the doctype declaration is used
如果使用doctype声明，此内容是必选项。 - The name of the class from which this class derives
语句，则为必选项。派生此类的类的名称。 - Only required if the declaration uses the public keyword
只有声明使用public关键字时才是必选项。