这个项目训练了大约75只太平洋瓶鼻海豚，他们的声纳系统比任何人造设备都更为精准；
The program trains about 75 Pacific bottlenose dolphins, with natural biosonar that tracks better than any manmade device;
这个项目训练了大约75只太平洋瓶鼻海豚，他们的声纳系统比任何人造设备都更为精准；
The program trains about 75 Pacific bottlenose dolphins, with natural biosonar that tracks better than any manmade device;
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