抄底利器（海底劳）选股

LOWV:=LLV(LOW,N);
HIGHV:=HHV(HIGH,N);
RSV:=EMA((CLOSE-LOWV)/(HIGHV-LOWV)*100,M);
K:=EMA(RSV,M);
D:=MA(K,M);
AA:K<13&&D<13&&K<D;