Software encryption has been realized by using EEPROM in the paper.本文采用EEPROM串行存储器 件设计软件狗来实现软件加密.The chips are CY 7 C 64613 chip, EEPROM chip and RS 232 interface chip.这三个芯片是CY7C64613芯片 、 EEPROM芯片和RS232接口芯片.Lockable EEPR...
Running at 50 - year lows below trend. Move from durables to services consumption could be big.在低于趋势线的50年最低水平下, 从耐用品消费到服务消费的转变可能很大.The lows for these ratios are around half the current levels.这些收入的比例现在很低,是现有水平的几乎一半.Still...