动向流:(ma(close,3)-ref(ma(close,3),18))/ref(ma(close,3),18);
polyline(1,ma(动向流,2));
polyline(1,ma(动向流,3));
polyline(1,ma(动向流,4));
polyline(1,ma(动向流,5));
polyline(1,ma(动向流,6));
polyline(1,ma(动向流,7));
polyline(1,ma(动向流,8));
polyline(1,ma(动向流,9));
polyline(1,ma(动向流,10));
polyline(1,ma(动向流,11));
polyline(1,ma(动向流,12));
polyline(1,ma(动向流,13));
polyline(1,ma(动向流,14));
polyline(1,ma(动向流,15));
polyline(1,ma(动向流,16));
polyline(1,ma(动向流,17));
polyline(1,ma(动向流,18));
polyline(1,ma(动向流,19));
polyline(1,ma(动向流,20));
polyline(1,ma(动向流,21));
polyline(1,ma(动向流,22));
polyline(1,ma(动向流,23));
polyline(1,ma(动向流,24));
polyline(1,ma(动向流,25));
polyline(1,ma(动向流,26));
polyline(1,ma(动向流,27));
polyline(1,ma(动向流,28));
polyline(1,ma(动向流,29));
polyline(1,ma(动向流,30));
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