RSV:=(HHV(HIGH,9)-CLOSE)/(HHV(HIGH,9)-LLV(LOW,9))*100; LWR1:=SMA(RSV,3,1); LWR2:=SMA(LWR1,3,1); ychjx:=(LWR2-REF(LWR2,1)); 威廉差值:ychjx;
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