direction ray目标射线
directionn.方向;指导;用法说明;趋势;目标;管理
direction of the contour line等高线的方向
Directional Reference Locator方向基准定位器
direction information measure方向信息测度
direction of secondary strike辅助突击方向
directional separation filter分向滤波器
directional overcurrent relay定向过流继电器
directional solidifica-tion定向凝固
directional private placement定向增发
Directional blasting fracture定向断裂爆破
Direction seems the only hope目的地是唯一的希望了