1·The Implementation Layer also performs segmentation and concatenation of messages for the underlying protocol.
实现层还执行用于底层协议的消息分段和并置。
2·These keys can be a concatenation of multiple columns, and often identifiers like Social Security Numbers, employee IDs, ISBNs, or part IDs are used in these roles.
这些键可以是多个列的并置,通常象“社会保障号”、雇员标识、ISBN或部件标识这样的标识用于这些角色中。
1·We can use the concatenation operator to create new strings from existing ones.
我们可以通过连结符操作来从原有的字符串获得一个新的字符串。
1·The final result list is concatenation of the result list from the individual slices.
最终的结果列表是来自各片的结果列表的串接。