Warning: file_put_contents(): Only 0 of 8497 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 DIFI是什么意思，DIFI的翻译，DIFI音标、读音、用法和例句_英語字典
Pre-filtering ratio is changable according to difi erent demands and the precision of calculation is improved in this design. 採用這種方法研制的預処理板,預濾波比可以根據不同的需要霛活地改變,運算精度也大大地提高。