查询词典 waves

Water waves travel in expanding circles, and air waves in expanding spheres.

水波是以不断扩大的圆圈来传播，而空气波是以不断扩大的球体来传播的。

The floating gates, which have a hollow cavity inside, work according to Archimedes' principle of buoyancy. When compressed air is pumped in, emptying the gates of water, the buoyancy of the giant panels will be greater than their weight, and in just 30 minutes the barrier will float above the surface. The gates are attached to the seabed with hinges, which are designed to absorb the force of waves and keep the barrier in place. The gates will only be raised when waves are higher than 1.1 meters, to reduce interruption of the sea currents to a minimum.

这些中空的水闸门，主要依照阿基米德浮力原理操作，当闸门内注入高压空气排水后，闸门受到的浮力大於闸门重量，只要三十分钟就能浮出水面，闸门底部则用轴承固定在海底，再透过细部结构设计能够悉受波动力量，保持闸门的稳定性，而水闸门只有在浪高超过110公分的时候才会升起，把对海水交换的干扰降到最低，其他维护潟湖生态的措施也获得欧盟肯定，所以在2009年4月，取消摩西工程违反自然保育法的决议。

Computer simulation for the metal, silicon dioxide, gallium arsenide by the different thickness of surface plasma waves generated by analysis and comparison done by analysis of surface plasma waves to find the best angle and resonance absorption.

电脑模拟时针对金属、二氧化矽、砷化镓在不同厚度时所产生的表面电浆波做分析与比较，藉由分析表面电浆波找出共振角与最佳的吸收度。

Body waves have a higher frequency range and attenuate more rapidly than surface waves.

体波频率范围及衰减有更高的速度比水面的波浪。

Although the Preissman scheme of KP equation is multisymplectic, it took too efforts to realize, Hence we elimate the auxiliary variable by a trivial computation and obtained the multisymplectic forty-five points scheme of KP equation. And then, we test this forty-five points scheme on soliton and solitary waves over long time intervals, the numerical results shows the propagation and interact of soliton and solitary waves.

但是在实际的数值实验中，由于需要计算共轭动量的值，Preissman格式需要占用的计算内存比较大，计算时间比较长，因此我们在数值格式中消去共轭动量，最后得到与多辛Preissman格式等价的一个多辛45点格式，我们用这个格式进行了数值实验，数值实验结果很好地显示了孤立子和孤立波的传播与碰撞。

The team also found that North and South America were colonized independently by at least two different waves of migration from different parts of Asia, although both waves appear to have arrived via the Bering Strait.

研究小组还发现，至少有前后两批来自亚洲不同地区的移民分别在南北美洲开辟了殖民地，两批移民好像都是经过白令海峡到达美洲的。

These compression waves reflect from the plume boundary in the form of a series of expansion waves that eventually intersect the nozzle wall downstream of the compression zone.

这些压缩波反映，从羽流边界的形式了一系列的膨胀波，最终相交喷嘴墙下游压缩区。

AIM: To name the basic waves of reconstructed impedance differential cardiogram, and to investigate the amplitude and time interval of the waves.

目的：对重建心阻抗微分图的基本波命名，探讨有关波幅和时间间期。

Methods 65 patients were scanned in brain with magnetic resonance spectroscopy,the location and the size of region of interesting and other scanning parameters values （FOV,frequency matrix,phase matrix,saturate cingulum,etc.） were changed intentionally,the values of full width at half maxium and water suppression lever were recorded.A preliminary evaluation of the resulted waves and the relationship between the parameters data and the quality of the MRS waves were probed.

对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、大小和其他参数设置（FOV、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨这些数值与波谱质量之间的关系。

Objective To explore the effects on images from the space location of spectrum and scanning parameters,and summarize the technological essential and application hints.Methods 65 patients were scanned in brain with magnetic resonance spectroscopy,the location and the size of region of interesting and other scanning parameters values （FOV,frequency matrix,phase matrix,saturate cingulum,etc.） were changed intentionally,the values of full width at half maxium and water suppression lever were recorded.A preliminary evaluation of the resulted waves and the relationship between the parameters data and the quality of the MRS waves were probed.

目的 观察波谱空间定位和扫描参对图像质量的影响，并初步小结应用要点方法对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、小和其他参数设置（FOV、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨些数值与波谱质量之间的关系。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。