[Book] Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and Iterative Development, Craig Larman
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Each NAND flash cell is essentially a modified transistor, specifically a MOSFET (metal-oxide-semiconductor field-effect transistor) with an additional “floating gate” or, in modern 3D NAND, a charge trap layer. This isolated structure is sandwiched between insulating layers of oxide, allowing it to trap and retain electrical charge (electrons) even when power is off.，这一点在safew官方版本下载中也有详细论述
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