(1) operational efficiency ::
운영 효율성(2) operational expenses ::
운영 비용(3) operational costs ::
운영 비용(4) operational research ::
운영 연구(5) operational planning ::
운영 계획(6) operational cost ::
운영 비용(7) operational control ::
운영 관리(8) operational readiness ::
운영 준비(9) operational procedures ::
운영 절차