Instead of fields that point to data, the actions point to (dataset) methods.

注意，字段指向的是数据，而动作指向的是(dataset)方法。

youdao

Object data type can point to data of any data type, including any object instance your application recognizes.

数据类型可以指向任意数据类型的数据，包括您的应用程序识别的任意对象实例。

youdao

Here's why this could happen: the metadata update would erase any reference to the original data block(s), but would point to data block(s) on disk that were never filled with data.

出现这种情况的原因如下：元数据更新删除了对原先数据块的任何引用，却指向磁盘上没有填充过数据的数据块。

youdao

Here's why this could happen: the metadata update would erase any reference to the original data block(s), but would point to data block(s) on disk that were never filled with data.

出现这种情况的原因如下：元数据更新删除了对原先数据块的任何引用，却指向磁盘上没有填充过数据的数据块。

youdao