短期强:CLOSE/REF(CLOSE,3)/(INDEXC/REF(INDEXC,3));
中期强:CLOSE/REF(CLOSE,5)/(INDEXC/REF(INDEXC,5));
长期强:CLOSE/REF(CLOSE,10)/(INDEXC/REF(INDEXC,10));
短期强:CLOSE/REF(CLOSE,3)/(INDEXC/REF(INDEXC,3));
中期强:CLOSE/REF(CLOSE,5)/(INDEXC/REF(INDEXC,5));
长期强:CLOSE/REF(CLOSE,10)/(INDEXC/REF(INDEXC,10));