The paper was of non-standard size.

这种纸的大小不标准。

Some non-standard features have been completely removed in 1.7.

一些非标准的特性在1.7版本中被彻底移除了。

Non-functional requirements might require a non-standard approach.

非功能性需求可能需要非标准的方法。

Why do people insist on using these non-standard messaging systems?

为什么大家坚持使用非标准的通讯系统？

This option performs an unspecified operation on non-standard files.

该选项将对非标准的文件执行未知的操作。