密码系统

例句：

1. 1. The company uses a complex password system to protect its data.
   该公司使用复杂的密码系统来保护其数据。
2. 2. The new security system is designed to prevent unauthorized access.
   新的安全系统旨在防止未经授权的访问。
3. 3. The bank's new encryption system will make it more difficult for hackers to steal information.
   银行的新加密系统将使黑客更难窃取信息。