Since n-tier applications are accessed over the Internet, it is imperative that they are backed by strong security services to prevent malicious access.

因为n级结构是通过互联网进行访问的，因此使用强大的安全服务阻止恶意访问就变得至关重要。

youdao

Since n-tier applications are accessed over the Internet, it is imperative that they are backed by strong security services to prevent malicious access.

因为n级结构是通过互联网进行访问的，因此使用强大的安全服务阻止恶意访问就变得至关重要。

youdao