n.

1. 载明；详述[U][（+of）]
2. 规格；明细单；详细计划书[P][（+for）]
3. （产品等的）说明书；说明书中载明的项目[C]
   the specification of a microwave oven

   微波炉说明书

n.

1. the action of specifying.
2. (usu. specifications) a detailed description of the design and materials used to make something.
   ▸a required standard of workmanship or materials in a piece of work.
   ▸a description of an invention accompanying an application for a patent.