为什么不能用

大自然

//中间变量   
MA2：MA(CLOSE,2);
MA4:MA(CLOSE,4);
DIFF:EMA(CLOSE,6)-EMA(CLOSE,13);
DEA:EMA(DIFF,3);
SELL:(MA2>MA4 AND DIFF>DEA AND HOLDING<0,HOLDING,MARKET);//平空   
BUY：(MA2>MA4 AND DIFF>DEA AND HOLDING=0,1,MARKET);//开多1手
SELL:(MA2<MA4 AND DIFF<DEA AND HOLDING>0,HOLDING,MARKET);//平多
BUYSHORT:(MA2<MA4 AND DIFF<DEA AND HOLDING=0,1,MARKET);//开空1手

技术006

SELLSHORT(MA2>MA4 AND DIFF>DEA AND HOLDING<0,HOLDING,MARKET);//平空   
BUY(MA2>MA4 AND DIFF>DEA AND HOLDING=0,1,MARKET);//开多1手
SELL(MA2<MA4 AND DIFF<DEA AND HOLDING>0,HOLDING,MARKET);//平多
BUYSHORT(MA2<MA4 AND DIFF<DEA AND HOLDING=0,1,MARKET);//开空1手