Tests with artificial stars have proved that certain night-flying birds are able

游客2025-03-09 10

问题 Tests with artificial stars have proved that certain night-flying birds are able to follow the stars in their long-distance flights.

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答案通过人造星空的实验表明，一些在夜间长途飞行的鸟类是依靠星来辨别方向的。

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