search:key wiki相關網頁資料

      • en.wikipedia.org
        A key is a device that is used to operate a lock (such as to lock or unlock it). A typical key is a small piece of metal consisting of two parts: the blade, which slides ...
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      • en.wikipedia.org
        In music theory, the key of a piece is the tonic note and chord which gives a subjective sense of arrival and rest. Other notes and chords in the piece create ...
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