单选题:支撑线和压力线被改变的条件是它们被有效的、足够强大的股价变动突破。( ) 题目分类:证券分析师 题目类型:单选题 查看权限:VIP 题目内容: 支撑线和压力线被改变的条件是它们被有效的、足够强大的股价变动突破。( ) 参考答案: 答案解析:
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