单数据流 meaning in Chinese

single data stream
sisd

When this option is not selected , the import or export operation uses a single integration services package with a single data flow task that includes one parallel path , from source to destination , for each table or view to be copied
如果未选定此选项，则导入或导出操作会将具有单数据流任务（包含一个从源到目标的并行路径）的单个integration services包用于每个要复制的表或视图。