共找到 42 与flow 相关的结果，耗时5 ms
试说明逻辑数据流图(logical data flow diagram)和物理数据流图(physical data flow diagram)之间的主要差别。
_____A．flow tableB．flow labelC．rout tableD．tag tableA．B．C．D．
Traditional structured analysis techniques focus upon the flow of(71)within a system. Object - oriented analysis emphasizes the building of real - wo
数据流程图（Data Flow Diagram， DFD/Data Flow Chart）是描述系统数据流程的工具。它将数据独立抽象出来，通过图形方式描述信息的来龙去脉和实际流程。在数据流程图中用（）表示处理过程。A.长方形B.带圆角的长方形C.正方形D.圆或椭圆
Traditional structured analysis techniques focus upon the flow of(1)within a system. Object-oriented analysis emphasizes the building of real-world m
Flow control is a function that prevents network congestion by ensuring that _（ ）_ do not overwhelm_（ ）_ with data．There are three commonly used meth
●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used meth
●Traditional structured analysis techniques focus upon the flow of(71)within a system Object-oriented analysis emphasizes the building of real-world
What keeps Grimsvotn still?A．The slow flow of waterB．The low water temperatureC．The thick glacierD．The water pressure
50______A. wayB. sightC. flowD. stream
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