1.On the one hand, the evolution of internet-wide standards led to new security fixes being proposed and obsoleting older versions.
其一，推进全互联网范围内标准的更新换代，引导新安全补充协议得以接受从而抛弃旧的版本。
2.An obsoletevessel Newer media are obsoleting the book.
更新的传播媒介正在逐步淘汰书籍。
