Therefore, the application of EWB in signal and linear system can bring better achievement in the research of signal and linear system.

因此，认为EWB应用于信号理论的研究一定会取得更高的效率和更好的效果。

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SmartBook represents a breakthrough achievement in reading, as it breaks the centuries-old tradition of books as linear experiences that presume to be read in their entirety, and in a pre-defined sequence, in order to be understood.

ENGADGET: McGraw-Hill reveals the SmartBook: an 'adaptive' e-book for students