将【回归斜率】公式改为通达信可用

DRAWTEXT(CLOSE>OPEN AND 上线>一号支撑线1 AND 一号支撑线1>一号支撑线 AND CLOSE>MA(CLOSE,一号支撑线) AND 操作>=REF(CLOSE,操作) AND CROSS(上线1,操作) AND LOW>VAR1 AND J<90,LOW *0.9,'主升' ),COLORRED;