请教：一个 账户 图表交易 多 品种是 这么 写 么开空7:BUYSHORT(COND2 AND HOLDING=0,1,THISCLOSE,'RB00'); //开空
平空7:SELLSHORT(COND1,1,THISCLOSE,'RB00'); //平空
开多7:BUY(COND1 AND HOLDING=0,1,THISCLOSE,'RB00'); //开多
平多7:SELL(COND2,1,THISCLOSE,'RB00'); //平多信号
开空8:BUYSHORT(COND2 AND HOLDING=0,1,THISCLOSE,'JD00'); //开空
平空8:SELLSHORT(COND1,1,THISCLOSE,'JD00'); //平空