"Universal,Description,Discovery and Integration",通用描述、发现和集成服务
There were scuffles when UDF hecklers began to shout down the speakers.
来自联合民主阵线的诘问者开始对演讲者大声起哄时，引发了多次冲突。
Can triggers call an external application through a UDF?
触发器能通过UDF调用外部应用程序 吗 ?
Bug fix: some titles with corrupt UDF did not get decrypted.
Bug修复: 一些被破坏的udf标题没有被解密.