You will notice that in this case, the check box specifying multi-valued data is selected.
您会注意到指定多值数据的复选框被选中了。
It is generally specified in conjunction with the multi-valued check box discussed earlier.
它通常是和早期谈论的多值复选框一起指定。
If an attribute depends on only part of a multi-valued key, then remove it to a separate table.
如果一个属性仅依赖于一个多重主键的一部分，则将该属性转移到一个单独的表中。
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