并且研究了语音信号的数字模型，包括激励模型、声管模型和辐射模型三个子模型。
Then I research the three submodel of digital model of voice signal: inspired model, sound gate model, and radiant model.
本文根据消声器在实际工作过程中声管内温度发生变化的特点，推导了考虑气流和线性温度梯度情况下刚性直管的声场传递矩阵。
The transmission matrix of rigid straight pipe with mean flow and linear temperature gradient is established according to the actual case of silencer.
丝管肉声，金鼓铙钹，不辨拍煞。谭盾先生新创造的音乐音效，通过藏匿在树丛中间的扬声器，袅袅而起，几近神秘。
The singing is accompanied by string and wind instruments, drums and clappers, and Mr. Tan’s recordings of new music and sounds, which emanate almost mysteriously from speakers hidden in the woods.
像低音管一样，悄悄地在天上发出隆隆声。
在无外加强制作用下实现里克管脉动工况数值模拟，与里克管作为自激热声装置的实际情况一致。
Numerical simulation results of Rijke tubes, pulsating without forced triggering, agree with actual conditions of Rijke tubes acting as self-excited thermal-sonic devices.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
蒸汽管突然发出咯咯的响声，富兰克林尖叫一声，吓得跳了起来。
The steam pipes rattled suddenly, and Franklin uttered a shriek and jumped with fright.
比方说，如果你是爵士乐爱好者，你就要练习在一段音乐中只听中高音萨克斯管，其他乐器声和歌唱声一律不听。
For example, if you're a jazz lover, you might practice by turning on some music and listening only to the alto saxophone, blocking out all the other instruments or vocals.
本文中给了非线性行波和驻波的严格解，并用于包括热声堆和温度梯度的复合管中。
Nonlinear sound wave propagation is solved rigorously for progressive and standing waves and applied to composite tubes including thermoacoustic stacks with temperature gradient.
介绍了用于PCCP爆管预警的光纤声监测系统组成及原理。
The composition and working principles of an acoustic fiber optic monitoring system adopted to forewarn the failure of PCCP (Prestressed Concrete Cylinder Pipe) are described.
聚氯乙烯一种普通热塑树脂，广泛用于产品加工，包括雨衣，花园浇水用的胶皮管，留声唱片，和地板砖。
A common thermoplastic resin used in a wide variety of manufactured products including rainwear garden hoses phonograph records and floor tiles.
如果你是爵士乐爱好者，你就要练习在一段音乐中只听中高音萨克斯管，其他乐器声和歌唱声一律不听。
If you're a jazz lover, you might practice by turning on some music and listening only to the alto saxophone, blocking out all the other instruments or vocals.
扩张的胆囊管内出现强回声团，后方伴声影，是胆囊管结石直接征象，但其超声检查的敏感性不高；
Strong echoes in the dilated cystic ducts with shadows in posterior were the direct sign of the cystic duct lithes, but the sensitivity was very low.
超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
提出了通过平面声波分解测量热声谐振管中单频压力波声功的方法。
A method for measuring the mono sound power in thermoacoustic resonator was developed by using the theory of plane wave decomposition.
引用石墨经验力常数计算碳纳米管声子色散关系时 ，必须处理由二维平面卷曲形成三维实体纳米管所引入的问题 。
Based on the force constant model we calculate the phonon dispersion relations of single wall BC_3 nanotubes with different diameters and chiralities.
搭建了一套双声源驱动热声热机实验系统，该系统包括双扬声器、谐振管、置于谐振管内的回热器和换热器等元件。
A thermoacoustic system with double acoustic drivers was constructed, which was composed of double speakers, a resonator, regenerator distributed in resonator and heat exchanger.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
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