脚本用来将sma和布林带统一呈现, 方便及时捕捉价格的走势与波动区间. 只要简单地修改SMA的两条线, 布林带的中间线同时作为SMA的第三条长周期参考线也作为布林带的基础计算曲线, 一线双用节省资源.
The script is used to present the sma and Bollinger bands in a unified manner, which is convenient to capture the price trend and fluctuation range in time. Just simply modify the two lines of the SMA, and the middle line of the Bollinger bands serves as the third long-period reference line of the SMA and also serves as the Bollinger bands The basic calculation curve, one-line dual-use saves resources.