data-flow diagram造句

In many ways , activity diagrams are the object - oriented equivalent of flow charts and data - flow diagrams dfds from structured development
在很多方面，活动图是结构化开发中流程图和资料流程图( dfd )的面向物件等同体。
An ooa model may be expressed informally in diagrams or text , or more formally in entity - relationship ( er ) diagrams , data - flow diagrams , state - transition diagrams , or a variety of specialty representation currently available
面向对象分析模型可以非正规地用图表或者文本表示,或者正规些用实体关系图,数据流图,状态转换图,或可以利用的其他方式来表示
It's difficult to find data-flow diagram in a sentence. 用data-flow diagram造句挺难的