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<p style="color:#1C1D20;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">02:01 直系、奉系与民国格局：一场注定失败的联盟计划</p><p style="color:#1C1D20;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">04:01 直系胜利：吴佩孚的战略克制与张作霖的联盟计划崩溃</p><p style="color:#1C1D20;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">06:02 吴佩孚的坚守策略消耗奉军火力，扭转长兴殿战争局势</p><p style="color:#1C1D20;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">08:04 多重困境：奉军在直奉战争中的失败原因分析</p><p style="color:#1C1D20;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">10:05 直奉战争的终结：张作霖在东北的崛起与日...