BIAS指标的运用，主要是帮大家识别相对顶部和底部。用画图工具画两根水平线，尽量找最高点和最低点连接。发现，最高点最低点都在水平线附近，给予波段买卖提示。
BIAS1 :(CLOSE-MA(CLOSE,N1))/MA(CLOSE,N1)*100;
BIAS2 :(CLOSE-MA(CLOSE,N2))/MA(CLOSE,N2)*100;
BIAS3 :(CLOSE-MA(CLOSE,N3))/MA(CLOSE,N3)*100;
a:-6;
b:-10;
d:-16;
e:0;
