缓倾斜
Since the whale's pitch is so accurate, they hypothesize that other whales may be able to locate an individual by listening for a slight shift in pitch that would be caused by the Doppler effect as the two whales move towards or away from each other.
因为蓝鲸的音高非常精准,当2只蓝鲸彼此游近或远离时,它们倾听由多普勒频移引起的音高中的微弱变化,就能推定其它蓝鲸的位置。
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