常見例句Pre-filtering ratio is changable according to difi erent demands and the precision of calculation is improved in this design. 采用這種方法研制的預(yù)處理板,預(yù)濾波比可以根據(jù)不同的需要靈活地改變,運(yùn)算精度也大大地提高。 返回 DIFI