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cycle,HDC)則藉由回聲的都卜勒效應來判定獵物,更適於偵測昆蟲飛行時翅膀反射的回聲。長工作週期的回聲定位系統可能是由低工作週期演化而來。 Springer, M. S.; Teeling, E. C.; Madsen, O.; Stanhope, M. J.; De Jong, W. W. Integrated fossil and