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1、生产成本上， slc＞mlc＞tlc＞qlc 2、读写速度上， slc＞mlc＞tlc＞qlc 3、在使用寿命上， slc＞mlc＞tlc＞qlc 量化一下就是： slc（单层存储单元）理论擦写次数10万次，mlc（双层存储.
TLC My Giant Life Haleigh Plans Wedding 2 Months Away, Dad Doesn't Approve
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