dirty列表中的块至少包含有一个废弃节点。

The dirty list contains blocks with at least one obsoleted node.

youdao

所有节点都创建成临时(或轻量级)对象，按要求构造成对这些数组的引用，并在不再需要时废弃。

All nodes are created as transient (or flyweight) objects, constructed on demand as references into these arrays and discarded when they are no longer needed.

youdao

所有节点都创建成临时(或轻量级)对象，按要求构造成对这些数组的引用，并在不再需要时废弃。

All nodes are created as transient (or flyweight) objects, constructed on demand as references into these arrays and discarded when they are no longer needed.

youdao