查询词典 long wave

In the non-regular wave experiment, the average wave height error is less than 4.87%, the average pariod error is less than 4.59%, while the repeated error of the wave height is less than 1.87%and the transverse error of wave height is less than 3.71%.

水槽模拟海浪的检验结果表明，本造波机系统能够准确地模拟波浪，规则波的波高横向误差小于2%，波高重复误差小于1.28%，周期重复误差小于0.2%；不规则波的平均波高误差小于4.87%，平均周期误差小于4.59%，波高重复性误差小于1.87%，波高横向误差小于3.71%。

It is found that in the STCC the amplitude of the Rossby wave,corresponding to the SSHA oscillation with period of 70～210 days,increases when the wave propagates westward,and the amplitude is the largest in east of Taiwan.In HLCC,the amplitude of Rossby wave with period of 70～210 days doesn't increase when the wave propagates westward.

发现在这两支向东的逆流区Rossby波的特性不同：副热带逆流区70～210 天周期振荡对应的Rossby波西传过程中增幅，在台湾以东振幅达到最大；而在夏威夷背风逆流区，70～210 天周期Rossby波在西传过程中不出现增幅现象。

Based on wave analysis method, the characteristics of vibration wave propagation in typical hull structure were analyzed in consideration of wave type conversion and impedance variation in non-homogeneous structure, and the formula of sound transmission loss during incidence of plane bending wave was deduced.

以波动理论为基础，根据不均质结构中波型转换、阻抗特性，系统地分析了典型船舶结构中振动波的传递特性，推导并给出了平面弯曲波入射时的隔声量公式。

The outside sea wave streams into near the shore and shallow water area, being subjected to a submarine friction function, the wave 锋 becomes abrupt, the trough of wave become slowly, the fluid matter orders sport track to present back and forth fluxion, and to shore enter the current velocity degree is usually bigger than offshore reflux speed, causing bottom sediment clean to shore porterage, and is aroused a shore wave of ascend the blunt water current take to the seashore on-line pile up.

外海波浪传入近岸浅水区，受到海底的摩擦作用，波锋变陡、波谷变缓，水质点运动轨迹呈现往复流动，而且向岸进流速度通常大于离岸回流速度，导致底部泥沙净向岸搬运，并被激岸浪的上冲水流带至海滨线上堆积。

Body waves consist of the primary, or P wave, which is a compression wave and the secondary, or S wave, which is a transverse shear wave.

体波分为初级、或P波，这是一种压缩波和二级、或者S波，这是一种横向横波。

In the situation of shock wave, the interaction caused by the situation of one shock wave catching up with another is qualitatively analyzed with the result of the wave form: reflection rarefaction and incidence shock wave.

对急流冲击波的情况，从定性的角度分析了一个冲击波追赶上另一个冲击波后的相互作用，得到可能产生的波形，即反射的稀疏波和入射的冲击波。

On the basis of regular wave transformation equation in a reference[1] incorporating comprehensively environmental current,nonlinear dispersion effect,rapidly varying topography effect,energy loss due to bottom friction,refraction and diffraction, the governing equations are derived for irregular multi-directional wave transformation incorporating multi factors according to the principle of superposition of linear wave and the wave directional spectrum theory.

1引言波浪在由外海向近岸的传播过程中，由于受到复杂地形、障碍物和水流等因素的影响，波浪传播将发生变形。文献[2]对描述波浪在近岸传播变形的各种数学模型方法做了较为全面的、系统的回顾和总结。

A portion of the wave front of a spherical wave whose radius is very large can be reigned as the wave front of a plane wave.

半径很大的球面波上的一部分波前，可以看作是平面波的波前，用惠更斯原理同样可求得其波前。

Linear ocean wave theory ; Airy wave ; stationary normal process ; ocean wave spectrum ; ocean wave simulation

线性海浪理论；小振幅波理论；平稳正态随机过程；海浪谱；海浪数值模拟

This paper finds that the treatment efficiency of ultrasound wave at combined frequencies of low and high excels other fashion ultrasound wave. The combined frequencies ultrasound wave with 28 kHz and 840 kHz can compensate others trough each other and eliminate stationary wave and can make furthest effect of cavitate in liquid anywhere.

3本文从理论分析及计算机模拟超声波波形传播得出低、高频搭配的超声波对印染废水的处理效果远远高于其他方式。28kHz和840kHz频率超声波能够相互补偿对方的波谷，消除驻波，使液体各处所受超声波辐射均匀且声压均最强。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。