标题：有关代码编写问题

 
MA1:="MM.M1#WEEK";
MA2:="MM.M2#WEEK";
MA3:="MM.M3#WEEK";//调用周线的均线指标
A:=C>MA(C,5) AND C>MA(C,10) AND C>MA(C,20) ;
B:=C<MA(C,5) AND C<MA(C,10)  AND C<MA(C,20) ;
IF MA2>MA1 AND  MA2>MA3 AND A THEN BUY(HOLDING=0,35%,MARKET),PERTRADER;
IF MA2<MA1 AND MA2<MA3 AND B THEN BUYSHORT(HOLDING=0,35%,MARKET),PERTRADER;
IF C<=MA(C,10)-5*MINDIFF  THEN SELL(HOLDING>0,HOLDING,MARKET);
IF C>=MA(C,10)+5*MINDIFF THEN SELLSHORT(HOLDING<0,HOLDING,MARKET);