这也称为二级数据文件 secondary data file ; SDF
第二个参数为字节数组，它包含消息数据。
The second parameter, a byte array, contains the message data.
我很高兴看到语音和数据合二为一，并转到了云计算下。
I am so happy to see voice and data converging and moving into the cloud.
第一列是已标注的规则编号，第二列是为示例数据集触发规则的次数。
The first column is the annotated rule number, and the second column is the number of times the rule is fired for the sample dataset.
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