It resolves some problems that occur in the practice of datareproduction and database backup and gives the corresponding methods.
同时针对该系统解决了在实际中遇到的数据复制和数据库备份的问题，并给出了相应的解决方法。
2
RFID has the feature against reproduction, combined encryption, and securer data on ticket, document, certificate, and items, for the purpose of anti-counterfeiting.
RFID具有不可复制，多重加密，数据更加安全的特点，用于票据、证件、物品上，达到防伪目的。
3
Object To study the dynamic growth and reproduction of Hirudinaria manillensis Lesson in laboratory with providing the data of artificially breeding leech in the field.