已保护的存储器无法更改您的密码。
已保护的存储器无法更改您的密码。
RFID芯片多采用闪存作为内存来存储密码和数据，但是这种存储器的保密性能差，制造成本高。
RFID chip is using flash memory as imbedded memory to store passwords and datas. However, this kind of memory has problems of low-security and high-cost when it is imbedded in RFID chip.
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