| 1. | Required if the procedure takes parameters
如果过程接受参数，则为必选项。 |
| 2. | 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。 |
| 3. | This is required if the doctype declaration is used
如果使用doctype声明，此内容是必选项。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | Required for all notation definitions
所有批注定义的必选项。 |
| 7. | Required unless the property is marked
必选项，除非属性标记为 |
| 8. | Required for all entity definitions
所有实体定义的必选项。 |
| 9. | Attribute is required unless the
属性是必选项，除非 |
| 10. | Specifies that this parameter is not required when the procedure is called
指定调用过程时此参数不是必选项。 |
