Most call-boxes in London are on the STDsystem, which is now being extended to all parts of Britain.
伦敦的大部分电话亭装的是STD系统，这一系统目前正向英国各地推广开来。
2
The Single UNIX Specification version 3, also known as The Open Group Base Specifications Issue 6 and IEEE Std 1003.1, 2003 Edition, specify what a "UNIX-like" system must do.
单一 UNIX 规范版本 3，也称为 The Open Group Base Specifications Issue 6 和 IEEE Std 1003.1，2003 版，指明了“类 UNIX”系统必须做什么事情。
3
The mission computer is based on the Curtiss-Wright Packaged COTS (PCOTS) system that meets military specifications such as MIL-STD-810, MIL-STD-461, and MIL-STD-704.