Vice versa, in the uptrend a trend line acts as support, when price returns back to support level it bounces off forming a new up-move.If an uptrend line gets broken, it becomes a new resistance.

• （反之，在上升中，趋势线是一条支撑线， 当价格回转试探支撑线的时候， 它形成了一个新的向上的趋势。