N1:=5;N2:=8;LC:=REF(CLOSE,1);RSI1:=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(ABS(CLOSE-LC),N1,1)*100;RSI2:=SMA(MAX(CLOSE-LC,0),N2,1)/SMA(ABS(CLOSE-LC),N2,1)*100;云端准备:CROSS(RSI1,20) AND (CROSS(RSI1,RSI2) AND RSI1<50);