音孔

Noise-proof: Because having a minimum density and internal porous, wall materials have strong sound absorption features. Noise-proof effect that can achieve 40 dB or more is better than concrete and other building materials. Walls make you have a quiet and comfortable living space in the complex world.

隔音：墙体原料自身密度小，且内部有微孔，具有很强的吸音功能，其隔音效果优于混凝土等建筑材料，可达到40分贝以上，在繁杂喧闹的世界中，墙体让您拥有一个安静舒适的生活空间。

This is because they are playing in a minor key which is the relative minor to the key of the harmonica.

以C调口琴为例子，按理应该是演奏E调，这把位上你应该第二孔吹音E作为主音，我们其实把这主音大多也唱成6，所以其实是演奏E小调，刚好是G大调的关系小调。

In this paper it took light ceramic globule, cement, perlite and fly ash as the main material , vesicant and the waterproof as the additive, produced a kind of porous material without fibre by the method of common concrete's molding.

本文利用轻质陶粒、水泥、珍珠岩和粉煤灰为主要原料，辅以造孔剂和防水剂，采用一般混凝土的成型方法研制成一种新型无纤维多孔吸音材料。

Generally, only a diationic harmonica is used, as it is capable of the" bending" and chording associated with the blues sound.

一般地讲，当口琴能够&压音&和弦在蓝调音乐中配合，只有一支10孔口琴够用了。

Generally ,only a diationic harmonica is used ,as it is capable of the "bending" and chording associated with the blues sound .

一般地讲，当口琴能够&压音&和揉弦在蓝调音乐中配合，只有一支10孔口琴够用了。

The scale, tremolo speed and temperament of the Oriental models therefore favor single note melodies while those of German tremolos favor chording.

使用单簧的十孔吹出的旋律声音干净而又清晰，也可以吹和弦，当然喽还有压音。

However, this is not easy to do accurately in the first place, and the difficulty can be compounded by the fast tempos required for jigs and reels.

一是在3孔吸气压音，即从7压到6，当然这样做难度非常大，特别是在快速演奏时候要一步到位。

Company's products are mainly based medical products, current products include agents Staron heat knife, minimally invasive spine foraminal mirror systems, ultra-quiet smoke purification systems, macular mirror, throat and esophagus gastric reflux detection systems, Urine dynamic inspection system, optical electronic integrated colposcopy.

公司产品主要是以医学产品为主，目前所代理的产品包括斯塔龙热能刀，椎间孔镜脊柱微创系统，超静音烟雾净化系统，黄斑镜，胃食道及咽喉反流检测系统，尿动力检查系统，光学电子一体式阴道镜。

Machinable a variety of custom-made machinery and a variety of decorative guard plate, various models of machine screen, thermal network, the ventilation network, filters, filters, filter network, network silencers, oil slurry at the end of net cage on the ground grain depot network engineering and installation of ventilation.

可加工定做各种机械护罩和各种装饰用孔板，各种型号机筛网，散热网，通风网，过滤网，过滤器，滤芯网，消音网，石油泥浆底网，粮库地上笼通风网工程及安装。

This transverse bamboo flute has a blowing hole, a stop hole and six finger holes.

中国传流的笛子大多是竹笛，笛上有6个按音的孔，一个吹奏孔和一个笛膜孔。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。