法兰克福平面

网络Frankfurt horizontal plane;Frankfort plane;Frankfurt plane;Frankfort horizontal plane

法兰克福平面

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方法：令被测者端坐，用头颅固位仪将被测者头颅固定，使其眶耳平面（或称法兰克福平面）与水平面平行，用记号笔在头面部对测量点进行标记；

METHODS : The subject was asked to sit up straightly , the skull was fixed with skull retention instrument , the Frankfurt horizontal plane should be parallel to the cross section , and the measurement points were marked with pen ;