声波

Another major product line development and marketing touch-screen, professional inquiries, software development and touch inquiries machine, while sales have GTT, ETWO, ONETOUCH brands such as surface acoustic wave screen, as well as ELO, EELY screen such as resistors.

另一条产品线主要开发和销售触摸屏、专业查询软件开发和触摸查询一体机，同时代理销售有GTT、ETWO、ONETOUCH等品牌表面声波屏以及ELO、EELY等电阻屏。

In this paper, based on the propagation characteristic of sound wave in pulsed electroacoustic method and temperature dependence of polyethylene properties, the effect of temperature gradient on space charge measurement is analyzed and the space charge waveform is recovered.

本文基于电声脉冲测量方法中声波的传播特性和温度对聚乙烯材料特性的影响，分析了温度梯度场对空间电荷测量结果的影响并进行了波形恢复。

Is the professional factory of underground PE galvanothermy fuse pipe fittings for fuel gas and fire supply, our company located the famous original ashes more than seven thousands years, Hemudu Town, Yuyao City, Zhejiang Province.

余姚市声波管业有限公司是国内专业生产燃气用及给火用埋地聚乙烯电热熔管件厂家，公司坐落于中外闻名有着七千多年原始文化遗址的浙江省余姚市姆渡镇。

The results shown that, for the typical kind of photonic crystal fibers with hexagonally arrayed circular air holes, the band gap of acoustic wave of XY mode appears only when the air holes' filling rate is greater than certain threshold value, and the upper and lower boundary values of the band gap decrease with the increasing of the air holes' filling rate.

结果表明，对于较为常见的空气孔排列为六角密排结构、空气孔形状为圆形的实芯光子晶体光纤，只有当空气孔的填充率大于一定阈值时才出现较明显的XY模态声波的带隙，并且最低与次低带隙的上下边界均随空气孔的填充率的增大而下降。

In real ocean channel, surface and water column is space-time variability that can' t be ignorable, and makes the sound wave propagated in it abnormal and fluctuant.

在实际的海洋信道中，界面与水体都存在不容忽视的空一时变异性，使得在其中传播的声波存在强烈的畸变和起伏。

This paper explored a new method using H-H spike neural network model,circle mapping and symbol-dynamics theory which is a simulator designed for modeling the Echolocation function of biosonar neural system based on measuring the interaural time difference .

本文尝试结合H-H神经元模型和基于圆映射的处理方式在序空间设计一个生物神经计算模型模拟生物声纳系统依靠声波到达双耳的相位差信息来得到声源方位信息的功能。

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。

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。

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。

A kind of downhole multipole acoustic transducer transmitter with high power that is applied to petroleum tools was introduced.

介绍了一种用于石油仪器的大功率多极子阵列声波换能器激励源的设计方案。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。