换句话说，激活深度表示从根对象中标识的引用总数，db4o将在查询中遍历根对象并返回结果。

In other words, activation depth is a count of the number of references identified from the root object that db4o will traverse and return as part of a query.

youdao

换句话说，激活深度表示从根对象中标识的引用总数，db4o将在查询中遍历根对象并返回结果。

In other words, activation depth is a count of the number of references identified from the root object that db4o will traverse and return as part of a query.

youdao