如果您实现了Timestampable回调接口，Castor将在第一个短事务中设置时间戳记并在第二个短事务期间检查该时间戳记。

If you implement the Timestampable callback interface, Castor will set the timestamp in the first short transaction and check it during the second short transaction.

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第二章：鄂尔多斯短调民歌的音乐形态特点及音乐风格。

The second part. The feature and style of e'erduosi music form.

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