《道氏理论核心知识点3》趋势线线角度和 两条加速线到顶（理论讲解）

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The video discusses the core concepts of Dow Theory, focusing on trend lines and acceleration lines. It explains how traditional theory views a 45‑degree trend line as stable, while 70‑80 degrees indicate risk and potential pullback. The presenter notes that computer modeling can shift angles, and suggests using three trend lines to identify bottom and top points for strategy adaptation.