manual tracking [动力] 手动跟踪 ; 人工追踪

manual tracking digitizer 手扶跟踪数字化仪

manual rate-aided tracking [电子] 人工速度辅助跟踪

Tracking Instruction Manual 跟踪指导手册

manual-tracking tachometer 手动跟踪转速计

loop manual tracking 闭环手动追踪

closed loop manual tracking 闭环手动追踪

manual hour angle tracking 极轴时角手动跟踪