{ok。测试通过} {技术分析----30分钟}diff:=ema(close,12) - ema(close,26);dea:=ema(diff,9);aa:=diffd and rsv<=20;趋势:=3*sma((close-llv(low,27))/(hhv(high,27)-llv(low,27))*100,5,1)-2*sma(sma((close-llv(low,27))/(hhv(high,27)-llv(low,27))*100,5,1),3,1);底部:=10;买入警戒:=if(趋势<=10,50,0);cc:=买入警戒>底部 or cross(买入警戒,底部);aa and bb and cc; 20210311