编写要求：
BIAS1:=(C-MA(C,6))/MA(C,6)*100;
BIAS2:=(C-MA(C,12))/MA(C,12)*100;
BIAS3:=(C-MA(C,24))/MA(C,24)*100;
BIAS:=(BIAS1+2*BIAS2+3*BIAS3)/6;
买:=MA(BIAS,3);
STICKLINE(CROSS(BIAS,买) AND 买<-9.5,2.8,0,2,0);
解答：
?BIAS1:=(C-MA(C,6))/MA(C,6)*100;
BIAS2:=(C-MA(C,12))/MA(C,12)*100;
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