英文：A data processing operation in which input items or fields are distributed or duplicated in more than one output item or field.
中文：一种数据处理操作，其中输入项或字段被分发或复制给多个输出项或字段。
英文：A specific section of storage set aside for some particular purpose or use in data processing.
中文：存储装置的一个特定部分，它是为一些特殊目的而设，或用于数据处理。
英文：In data processing, pertaining to data stream which flows in only one direction. For example, of a data bus, used for data transfers in only one direction.
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