其它有齿鲸包括宽吻海豚、突吻鲸以及白鲸。
Other toothed whales are the bottlenose, the beaked whale, and the white whale.
研究者们扫描了雄性突吻鲸的颅骨，从而创建了这种鲸鱼听力组织的3d模型。
By scanning male beaked whale skulls, the researchers imaged the whale hearing apparatus in 3-d.
电脑模型表明，突吻鲸能过滤掉声纳大部分的中频声波，而声纳也不会影响这些鲸鱼用来捕猎的高频声波。
The computer model finds that mid-frequency sonar is mostly filtered out for the whales, while the higher frequencies the animals use for hunting appear to be unimpeded by sonar.
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