一根阳线同时上穿MA(120,250)均线,且成交量比昨日放大2倍以上

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一根阳线同时上穿MA(120,250)均线,且成交量比昨日放大2倍以上
    答:
      c>o and cross(c,ma(c,120)) and cross(c,ma(c,250)) and v>ref(v,1)*2 ;