操作类继承的抽象类也已被创建以保存所有的操作类实现所需的共同代码。

An abstract class that our Action classes extend has also been created, to hold common code needed for all our Action class implementations.

youdao

有兄弟二人继承了一块土地，他们每人承担着一半的耕种。兄弟俩感情很深。什么都共同享用。

Two brothers had a piece of land for their inheritance, of which each cultivated the half. They were united by deep feeling, and had everything in common.

youdao

我与分区表有一个表的结构，其中一些孩子继承了一个共同的父表。我怎么DELETE只有从父表？

I have a table structure with partitioned tables, where a few child tables inherit from a common parent. How so I DELETE only from the parent table?

youdao