有實行可能,實用性
Practicability \Prac"ti*ca*bil"i*ty\, n. The quality or state of being practicable; practicableness; feasibility. ``The practicability of such a project.'' --Stewart.
practicability n : the quality of being usable [syn: {practicableness}] [ant: {impracticability}, {impracticability}]