directione(拉)指示, 用法directionn.方向；指导；用法说明；趋势；目标；管理direction-finder探向器direction focusing方向聚焦directional census定向交通统计directional barrel定向管directional-gyron.陀螺方向仪directional couple定向耦合direction changing反转的directional baffle指向障板direction relation方向关系direction in space空间方向