通过不断把带正电荷的钾离子和钠离子压出电池，电池内负电荷数量就会增加。
By pumping positively charged potassium and sodium ions out of the cell, the number of negatively charged ions inside the cells rises.
通过增加存储器单元上的净正电荷以擦除存储器单元，而通过增加存储器单元上的净负电荷以编程存储器单元。
By increasing net positive charges on the memory cell, it erases the memory cell and by increasing net negative charges on the memory cell, programs the memory cell.
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