| The conventional seals play an important role in the government. This paper will discuss the characteristic of the conventional seals and study the system of electronic seals . This paper has the central content as below :(1) The characteristic of the conventional seals . The application , conservation , distribution and use of the conventional seals . The analysis about the security of the system of the coventional seals .(2) Study the system of electronic seals . Discuss the application , conservation , distribution and use of electronic seals . The analysis about the security of the system of the coventional seals .(3) Discuss the simple design about the system of electronic seals . |
