Provides a 6dB-per-octave rolloff filter at 115Hz.

提供一个115赫兹时每八度6分贝的低频上移滤波器。

What is the shelf life of 3M's filtering facepiece respirators?

3M随弃式呼吸防护口罩的存放期是多长时间？

The news of his appointment filtered out before it was officially advertised.

他被任命的消息在还没正式公布前就被漏出去。

The existing problem in operation of siphonal sand filter and innovation were introduced.

虹吸式砂滤器在运行过程中出现的问题及改造措施。

In the meantime, mechanisms against desynchronization attacks and cepstrum filtering are introduced to enhance robustness.

同时，通过引入抗异步攻击的机制和倒谱滤波，增强算法的鲁棒性。

This metal net filters out the dirt.

这个金属网滤污。

Foreign influence began to filter into the country.

外国势力开始渗进这个国家。

The solid particles were filtered from the solution.

固体微粒是从溶液中过滤出来的。

Sounds of cheering filtered in through the closed window.

欢呼声过关闭的窗户传进来。

Filter out all the dirt before using the water.

在用以前先将其中不清洁的东西过滤。

Water filters through the sandy soil and into the well.

过沙土渗到井里。

A liquid filters through a strainer,into the receptacle beneath.

液体经过过滤器流入下面的容器。

The characteristics of filter between no precoat and precoat were compared.

江苏省内精密过滤器的使用情况,对比不预涂和预涂过滤器的特点。

Includes AC battery recharger, charging stand, pipette holder with safety valve, and filter.

包括交流电池充电器，充电器座，移液器 架（带安全阀，以及过滤器等）。

The wort holding tank receives the first wort from the various filters batchwise.

麦汁暂存罐从分批操作的各个压滤机接收头道麦汁。

Charcoal is used to filter water.

木炭是用来过滤的。

The lake water passes through a filter before it is piped to our homes.

湖过滤后用管道输送到各家各户。

Inside, sunlight filtered dustily through rows of high windows and settled over the empty pews.

里面，阳光从长窗的格栅上带着灰尘筛下来落在空空的排椅上。”

The autoptic results show that the filter plates produced by this technology have good performance.

现场试验表明,该工艺生产的过滤板有较好的使用性能。

You can still see the gas or nebulosity in big telescopes and the right filters.

用大望远镜和适度的滤色镜，你也可以看到那些气体或星云状。