缺省情况下，所有字段在JPA中都是持久性的；但是，您可以将一个字段标注为瞬态的，然后可以使用逻辑派生任何字段。

By default, all fields are persistent in JPA; however, you can mark a field as transient, and then you can derive any field using logic. Below, a query is executed to derive a field.

youdao

只需在基本 getter 上指定 @Property 标注，剩下的访问那个配置字段的方法将继承这一点。

You need only specify the @Property annotation on the basic getter and it will be inherited by the rest of the methods that access that configuration field.

youdao

只要有人认为他们在图片上会被别人识别出来，或者有人不想让他们的房子出现在图片上，他们就可以将具体需要模糊处理的地方标注出来。

Anyone who believes they can be identified in a photo, or who wants their property removed from a picture can single out particular areas to be blanked out.

youdao

And I am going to call this whole geometric factor here, I am going to put it into one number, and I am going to denote that the Madelung constant.

接下来我将会称这一部分为几何因子，我将把它们整合在一个数字里，我将会标注它为马德隆常数。

麻省理工公开课 - 固态化学导论课程节选