查询词典 acoustic

The same position of the first plurality and the same position of the second plurality may be the only point on the first and second plurality of acoustic drivers joinable by a straight line.

所述多个第一声学驱动器的相同位置和所述多个第二声学驱动器的相同位置可以是所述多个第一和多个第二声学驱动器上的能被一条直线连接起来的唯一点。

Through the work of the engineering and hydrology geology investigating, geologic structural planes investigating, acoustic test and deformation monitoring, and study on distribution rules of geologic structural planes, damage modes of slope, scope of loose zone, deformation rules with FLAC3D numerical simulation, the engineering proterties of loose zone is knowledged.

通过对金堆城深凹边坡松动岩体进行工程地质和水文地质的调查、节理裂隙调查、声波测试、变形监测等现场工作，研究了边坡结构面分布规律，边坡潜在的失稳模式，松动范围，变形规律，结合FLAC~(30)数值模拟，基本认识了金堆城深凹矩形边坡松动岩体工程特性。

Single-axis acoustic levitation was investigated by a BEM model corresponding to our levitator and the levitation characteristics were revealed.

采用边界元方法对单轴式声悬浮过程中的入射声场计算，揭示了样品在声悬浮过程中的受力特性。

The acoustic levitator facilitates a variety of measurements on single panicles or single drops of liquid.

声学悬浮仪能简化单个颗粒或单个液滴的各种测量。

This model builds up the relationship between the levitation capabilities and the geometric parameters of a single-axis acoustic levitator, and proves to be successful in predicting resonant modes, Hm ( m =1, 2, 3, 4), and in explaining the axially symmetric deviation of the levitated samples near the reflector and emitter.

该模型揭示了声悬浮性能和以声波长为参考的悬浮器几何参数之间的本征关系，成功地预测声场的谐振模式 Hm ( m =1， 2， 3， 4为模式数， Hm 为反射端-发射端谐振间距)，并解释了反射端和发射端附近的悬浮样品偏离对称轴的实验现象。

According to this model, the dimensionless velocity potential of the incident acoustic field,(where, F is the velocity potential, v 0 the velocity amplitude of the vibration source, k =2 p / l the wave number), can be expressed as an integral equation over the surface of the levitator emitter and reflector, and then solved by the boundary element method.

该模型将入射声场速度势 F 的无量纲形式，（ v 0是声源振动速度峰值， k =2 p / l 是波数），表达为发射端和反射端表面上的边界积分方程，并通过边界元方法求解。

The heaviest solid (iridium, density r s = 22.6g/cm3, size f 4mm) and liquid (mercury, density r s = 13.6g/cm3, size f 5×2mm ) on the earth is acoustically levitated by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

以上述理论为指导，对自行研制的单轴式声悬浮装置进行了优化设计，显著提高了悬浮力和悬浮稳定性，悬浮起自然界中密度最大的固体铱（ Ir ，密度 r s =22.6g/cm3，尺寸 f 4mm ）和液体汞（ Hg ，密度 r s =13.6g/cm3、尺寸 f 5×2mm ）。

Compared to acoustic impedance, elastic impedance contains more lithologic and physical information of the reservoir.

相对于声波阻抗，弹性阻抗包含有更多的储层岩性和物性信息。

The feed given were immediately eaten by black bream Sparus macrocephalus schooled by acoustic behavior control, which increases the feed efficiency and deceases feed remains.

以黑鲷Sparus macrocephalus油作为试验对象，采用音响驯化技术，每天配合投饵定时放声集鱼。

Its major products include electric lift emergency devices, elevator manostat , alternating and direct voltage-stabilized source , switching power supply ,lift emergency lamps, lift walkie-talkie, lift acoustic floor reporter and lift door frequency converters.

西奥电气位于经济发达的长江三角洲——启东经济开发区南苑工业园，主要产品有：电梯应急装置、电梯稳压器、交直流稳压电源、开关电源、电梯应急灯、电梯对讲机、电梯语音报站器和电梯门机变频器。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。