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数据抽象是将特定数据集简化为整体的简化表示。
Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.
The only real music is the music of the heart.
I'm a survivor, I'm not gonna give up, I'm not gonna stop, I'm gonna work harder.
I don't think you can ever do your best. Doing your best is a process of trying to do your best.
The greatest happiness is to despise what deserves to be despised.