For example, you might notice that a radio tower is in line with the buoy you're aiming for, and you can use that tower as a reference point during the race.
比如：你也许注意到岸上的无线电发射塔和你的比赛目标在一条直线上，那么比赛中你就可以用这个发射塔作为参照。
Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
The results of simulation suggest that this model is feasible and it can provide some reference to target-location algorithms for passive sonar-buoy to search submarines.
仿真结果表明该模型可行，能对被动式声纳浮标搜潜的目标定位提供算法依据。
The results of simulation suggest that this model is feasible and it can provide some reference to target-location algorithms for passive sonar-buoy to search submarines.
仿真结果表明该模型可行，能对被动式声纳浮标搜潜的目标定位提供算法依据。
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