向: direction和: mix; blend列向和: column vector靶向和控制: target and control定向和测距: direction finding and ranging流向和流速: set and drift倾向和能力: dispositions and powers常数的列向和: column vector of constants大势趋向和平: the tendency of events is towards peace. the outward appearance of a natural object转向和平运动: turn toward peace movementu向和v向等参曲线: u and v iso curves保持航向和航速: keecourse and speed船位航向和航速: course and speed; position定向和测距装置: ddr方向和高低瞄准: azimuth-and-elevation laying方向和高低瞄准镜: azimuth-and-elevation tracking方向和距离的控制: direction and distance control光学定向和测距: opdar; optical direction and ranging航向和航速误差: course and speed error航向和距离计算机: course and distance computer航向和速度计算机: course and distance computer; course and speed computer航向和速度计算器: course and speed calculator径向和轴向游隙: radial and axial play通向和平的曲径: this arc of peace无线电定向和测距: radar radio direction and ranging