The actualcolumn width may be greater than the value specified by this property.
实际的栏宽度可能大于这个属性指定的值。
2
To perform mining, you have to tell the algorithm in which columns it finds the actual items and which column contains the information on how to group items into transactions.
要执行挖掘，必须先告知算法，在哪些列能找到实际的商品，在哪一列包含如何将商品组合成交易的相关信息。
3
Even though use cases provide more scope around the actual system interaction, the system column provides a clear picture of the system responsibility indicated in the right column.