You may even list the properties explicity, but you must let Hibernate provide SQL column aliases for each property.

你可以显式的列出需要的属性，但是你必须让Hibernate为每个 属性提供SQL列别名。

The external boundary concerns the relations between legislation and administration, which determines the explicity of conferring powers.

行政裁量的外部边界主要涉及授权的明确性问题；