Relative pitch is that perceived between a given note and another note 相对音高是指可以辨认提示音准和其他音。
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In modem chinese proficiency test tone ' s mistake mainly displays in five aspects : the tone category mistake ; the tone value are wrong ; the relative pitch is wrong ; transposition mistake and neglects the intonation to the tone ' s the influence 摘要普通话水平测试中声调的错误主要表现在五个方面：调类错误、调值错误、相对音高错误、变调错误以及忽略语调对字调的影响等。
