aaa:=(ma(close,13)+ma(close,17))/2;ccc:=(std(close,13)+std(close,17))/2;bbb:=aaa+2.1*ccc;ddd:=aaa+0.72*ccc;zzz:=if(ccc>1.88,ma(ddd,3),ddd);平衡:zzz;:zzz*1.1;了结:zzz*1.05;:zzz*0.95;:zzz*0.9;