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Help about Analysis mechanism

dragon ji
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We have a presentation problem in our project,I want to describe it using Analysis mechanism.Following is my draft:
9.2 Analysis Mechanisms
For all need to display chart,we need identify:
Demension: How many dimensions should be displayed?
Style:How many kinds of chart used?
Refresh frequency: Are the chart more or less refresh?
Precision: How to define the precision of the coordinates' value?
Volume: Number of charts to display in one page.
Synchronicity: Does the chart changing dynamicly according to the database updated?
Reliability: Shall the objects survive a crash of the process; the processor; or the whole system?
Usability: Developed by ourselves or use other open source project? Use applet or servlet?
9.3 Design Mechanisms
We utilize third party open source project as the way to resolve the above analysis mechanism.
Demensiion:2 dimensions,use series as the different value of color.
Style: 3 kinds of chart.columnarity,pie,coordinate.
Refresh frequency: utilize token as the way to avoid frequency refresh.
Precision: decimal places:2
Synchronicity: not synchronicity when data changed,get the newest result by refresh .

but I don't know if it is right,Please help me checking it and tell me how to correct it.thanx a lot.
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