directionalet方向小波
directionn.方向;指导;用法说明;趋势;目标;管理
Directional prism resonator定向棱镜腔
direction finding ambiguity测向模糊
direction finding precision测向精度
direction of depolarization去极化方向
directional antenna circuit定向天线电路
direction to the North Pole北极方向
directional depth migration定向深度偏移
directional signalin system定向信号系统
directional sensor networks有向传感器网络