求翻译：因为系统中所涉及到的角色很多，安全性尤其重要，系统采用了密钥对密码进行加密，同时提出不同角色登录后进行对应页面的解决方案。是什么意思？

Because the system's role involved a lot of security is particularly important, the system uses a key to encrypt passwords, and log the different roles proposed for the solution corresponding to the page.

Because the system involved in the role of a lot of security, especially important, the system used to encrypt the keys, and at the same time put forward different roles after log corresponding pages for solutions.

Because in the system involves the role are very many, the security is especially important, the system used the key to carry on the encryption to the password, after simultaneously proposed the different role registered carries on corresponds the page the solution.

Because the system that are involved in many roles, security is particularly important, the system uses a key to encrypt the password, as well as different role after you log in for solutions of the corresponding page.

Because the system that are involved in many roles, security is particularly important, the system uses a key to encrypt the password, as well as different role after you log in for solutions of the corresponding page.