DRAWTEXTEX(1,0,0,0,'出现大象鼻子的形态,就是趋势转变的时刻'),COLORYELLOW; a:(MA(CLOSE,13)+MA(CLOSE,20))/2; b1:=(MA(CLOSE,80)+MA(CLOSE,100))/2; b2:b1 + 2*STD(CLOSE,80);中线:(a+b2)/2;
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