但是也许在有的文化地域，例如斯堪的纳维亚半岛，我们很难容忍那种不正常的声音。
But maybe in some cultures, we are more tolerant to what we in Scandinavia would say, is a deviant voice.
虽然她说话时面带微笑，还是被一些敏锐的观察者发现她的声音里带着些许不正常的犹豫。
Though she was smiling as she spoke, a few keen observers detected an odd hesitation in her voice.
运转过程中，如发现噪声或其他不正常的声音时，应立即停车，检查其原因，加以消除。
During running, stop it at once when noise or other abnormal sound is heard to find the cause and settle it.
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