Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/3541cd050ebde36a9e7273c157da90d4.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 DIFI是什么意思，DIFI的翻译，DIFI音标、读音、用法和例句_果味酸柯林斯词典
Pre-filtering ratio is changable according to difi erent demands and the precision of calculation is improved in this design. 采用这种方法研制的预处理板,预滤波比可以根据不同的需要灵活地改变,运算精度也大大地提高。