UL1082 Clause 2.2 什么意思？

hpulqw

2.2 A component is not required to comply with a specific requirement that:
a) Involves a feature or characteristic not required in the application of the component in the
product covered by this Standard; or
b) Is superseded by a requirement in this Standard.

中文版也看过，还是不明白， 特殊的要求是什么要求？谁能说说上面讲的是什么意思？