此限制不能与SSD 同时存在因为耗损均衡的要求。
This constraint does not exist with SSDs because of the wear-leveling requirement.
此功能允许SSD从耗损均衡进程删除这些块，并有助于增加驱动器的耐力。
This ability allows the SSD to remove these blocks from wear-leveling processes and helps to increase the endurance of the drive.
更糟的是，SSD必须内部切换数据以便尽可能减低在称为垃圾收集或耗损均衡的进程中引入错误的可能。
To make matters worse, the SSD must internally shift data to minimize the introduction of errors in a process called garbage collection or wear-leveling.
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