无标记数据:由于在读取数据时有模式定义，这就大大减少了数据编辑所需的类型信息，从而减少序列化空间。

Untagged data: Since the schema is present when data is read, considerably less type information need be encoded with data, resulting in smaller serialization size.

youdao

无标记数据:由于在读取数据时有模式定义，这就大大减少了数据编辑所需的类型信息，从而减少序列化空间。

Untagged data: Since the schema is present when data is read, considerably less type information need be encoded with data, resulting in smaller serialization size.

youdao