简述结构化分析的指导思想?常用的结构化分析中数据描述工具有哪些
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Inmatlab,thecommandsaveisusedto()
A. Shows the variable in the workspace
B. Saves all variables in the workspace to disk
C. clean the command window
D. clean the figure window
Inmatlab,thecommandclearisusedto()
A. Shows the variable in the workspace
B. Deletes all variables in the workspace
C. clean the command window
D. clean the figure window