Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/1228040e5781faf5f95815d32a6208df.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/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_甲百汇小鸡词典
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。