5天均线刚上穿30天线和55天线时在图上标出信号,在飞狐怎样表达?

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5天均线刚上穿30天线和55天线时在图上标出信号,在飞狐怎样表达?
正确答案:
      DRAWICON(cross(ma(c,5),ma(c,30) and cross(ma(c,5),,a(c,55) ,l*0.985,4);