资料来源 : Webster's Revised Unabridged Dictionary (1913)

Capability \Ca`pa*bil"i*ty\, n.; pl. {Capabilities}.
   1. The quality of being capable; capacity; capableness; esp.
      intellectual power or ability.

            A capability to take a thousand views of a subject.
                                                  --H. Taylor.

   2. Capacity of being used or improved.