For the P-SV wave travel time, it also can be expressed exactly by a three-term Taylor series in short or moderate spreads.
SV波的传播时间也可用三项泰勒展式表达，在中等及短排列长度时可达到一定精度。
Using the data of natural earthquakes, we have studied the characteristics of P-wave travel time in Qinghai-Xizang plateau and its vicinity.
本文利用天然地震资料，研究了青藏高原及其邻区的P波走时特征。
The problem of the seismic wave travel path in the nonhomogeneous medium is often mentioned in seismic sequence analysis by means of rapid ray tracing.
在地震层析研究中，常常涉及地震波在非均匀介质中的传播路径问题，故快速射线追踪是不可缺少的工具。
An earthquake wave in which rock particles vibrate at right angles to the direction of wave travel. It can travel through solids but not through liquids.
一种地震波，其范围内的岩石颗粒随波振方向成直角振颤，这种波能穿过固体但不能穿过液体。
In addition, the 2004 wave had to travel only 800 miles before it reached Sri Lanka, one of the hardest-hit countries.
另外，2004年地震在达到斯里兰卡前仅经过了800英里，斯里兰卡是受灾最严重的国家之一。
As objects travel through the air, the air molecules are pushed aside with great force and this forms a shock wave much like a boat creates a bow wave.
随着物体在空气中飞过，气体分子被强大的力推到一边，形成了一个船的舷波一样的冲击气流。
The lower the frequency of the wave, the farther it can travel or penetrate physical objects.
波频率越低，其传播距离越远、穿透性越强。
How do you catch this third wave, ensuring a better customer service experience when you travel? Here are a few tips?
那么，如何乘着第三次浪潮，保证旅行时享受更优的服务体验？
Generally, the higher the aircraft, the greater the distance the shock wave must travel, reducing the intensity of the sonic boom.
一般，飞机飞得越高，冲击波(到达地面)所需要移动的距离就越大，使得音爆强度减弱。
Thus FM radio at relatively high frequencies is used for local stations but does not travel far, whereas short-wave radio, at low frequencies, can stretch around the world.
因此地方无线电台使用频率相对较高调频无线通讯，而低频短波无线电则可以遍及全球。
We are sure that the main wave packet cannot travel faster than the precursor, which travels at c.
我们确定，主波包传播的速度不能超越以光速c传播的前驱。
An ongoing cold wave with heavy snow and record low temperatures delayed air flights and snarled road travel across much of Europe. (JOE KLAMAR/AFP/Getty Images)
持续的暴雪低温和史无前例的低温天气延误了很多航班，冰雪袭击几乎大部分的欧洲地区。
This paper presents a method for calculating travel time of diffracted wave from velocity model and for making diffraction migration.
本文提出一种按速度模型计算绕射波射线旅行时和进行绕射归位的方法。
Finally, fitness enthusiasts can travel in athletic style. Wave good-bye to closet-sized workout rooms, worn machines, short pools and congested running routes.
希望通过旅游来锻炼身体的人们现在可以跟狭小的卧室暂时说再见了。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
These mantle body wave data are used to investigate the range of variations in the travel time residuals which indicate the degree of mantle heterogeneity.
我们利用这些高精度的走时数据研究了地幔体波的走时残差的范围及地幔非均匀性的强度。
A tsunami is not a single wave, but a series of waves that can travel across the ocean at speeds of more than 800 kilometers an hour.
海啸并非只有一波海浪，而是一系列海浪。这种一波又一波的海浪在大洋中可以每小时800公里的速度传播。
Sound is a form of wave energy that can travel through air.
声音其实就是声波，能在空气中行进的声波。
The magnetic field intensity of the solenoid used for travel wave tube and transport properties of electron beam in the slow wave system under its function is simulated with the electromagnetic code.
利用电磁场软件模拟了行波管电磁线包磁场，以及在电磁线包磁场作用下电子注在慢波系统中的运动特性。
Based on look-up table (LUT) and indirect learning architecture, a baseband predistorter was proposed for travel wave tube amplifier (TWTA).
提出了一种基于查询表和非直接学习结构的适用于行波管放大器(TWTA)的基带预失真器。
The amount of time for a wave to travel a certain distance, proportional to the reciprocal of velocity, typically measured in microseconds per foot by an acoustic log and symbolized by tor DT.
波在某段距离传播的时间，与速度的倒数成正比，在声测井中，以每英尺多少毫秒来量度，用符号t或DT表示。
When a sound wave passes through non-uniform temperature fields, it will be refracted and its travel path will be bended.
当声波在非均匀温度场中传播时会因声波的折射而导致声波路径弯曲。
With the use of reciprocal principle in seismic wave propagation, the algorithm may be used to compute the travel times of reflected compressional wave or converted shear wave.
利用地震波传播的互换原理，将算法推广到用于计算反射纵波和反射转换横波的旅行时。
Soliton, like particles, can travel over long-distances without attenuation and changes of wave shapes, which is the result from the balance of the interplay between dispersion and nonlinearity.
孤立子能够既不发生衰减也不会改变波形地传播到较远的地方且具有类似粒子的特性，这主要是色散效应和非线性效应相互平衡的结果。
Cells in the central nervous system tend to communicate with each other via a wave of electrical signals that travel along neurons.
中枢神经系统的细胞通过在神经元上传播的电信号波群来进行彼此的沟通。
Based on travel-wave electrophoresis (twDEP), this thesis shows the theory analysis and related experiments to control micro-particles.
以行波介电泳基本原理为基础，对微纳粒子操控技术的机理与实验进行了研究。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
Travel Wave Tube is the one of core part of transmitter in radar.
行波管是雷达发射机中的核心部件之一。
The three term Taylor series of P-P wave or P-SV wave reflection travel times in VTI media are the function of elastic parameters. Therefore they can be used to inverse the seismic elastic parameters.
对P P波、PSV波的传播时间进行三项泰勒展开时，它们的系数中包含了地震波的各向异性信息及垂直速度信息，可以为地震波的弹性参数反演提供基础。
The three term Taylor series of P-P wave or P-SV wave reflection travel times in VTI media are the function of elastic parameters. Therefore they can be used to inverse the seismic elastic parameters.
对P P波、PSV波的传播时间进行三项泰勒展开时，它们的系数中包含了地震波的各向异性信息及垂直速度信息，可以为地震波的弹性参数反演提供基础。
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