持有强势股直到它不再向上移动或者开始横向整理，这时候卖出要迅速。记住：只有上涨的股票才是好股票。

Hold your strongest stocks the longest and sell stocks that stop moving up or are acting sluggish quickly. Remember stocks are only good when they are moving up.

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通过对试验数据的分析整理，为冻结无缝线路稳定性分析提供了道床横向阻力和纵向阻力等计算参数。

Based on the analysis of the data, I provide ballast's longitude and lateral parameter for the stability analysis of frozen jointless track.

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