将“filtering"翻译成中文

Although a variety of filter systems are now available or under development, it is difficult to remove arsenic from water in inexpensive ways.

尽管已有各种过滤系统或者正在开发这些系统,很难以成本不高的办法把砷从水中除掉。

Sensitivity experiments are conducted to explore the effect of localization function format and filter lengths.

应用敏感性实验对定位函数式及滤波长度的有效性进行研究。