It is also held that the original boundary, namely Da Hinggan Mountains-Taihang Mountains-Wuling Mountain fault, exists merely in the eastern tectonic area and does not form the boundary separating various areas.

• 同时认为，原定的界线－大兴安岭－太行山－武陵山断裂仅发生在东部构造区内，构不成分区界线。