A circular opening in an opaque screen transmits only a small circular patch of a wave surface.
不透明屏上一个圆孔仅仅透射波面的一小圆块。
Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.
讨论了折射率梯度对传输激光波面质量的影响和波面补偿的可能性。
In this paper, the method for drawing grid-based terrain, contour, and velocity field and wave surface are studied.
本文研究了计算网格地形、波高等值线、速度场和波面的可视化。
The wave surface function can be obtained with this method to calculate the wave aberration of any point on the wave surface.
用这种方法可以得出波面函数，从而计算出波面上任一点的波差值。
The location of its seat should be kept submerged in the wave surface below to prevent high-pressure gas rushed into the evaporator.
其阀座的位置应保持淹没在波面以下，以防止高压气体冲进蒸发器。
A function expansion method as in Liu et al (2007) is used to formulate the mat-type VLFS floating on the wave surface over uneven sea bottom.
采用作者们（2007）提出的函数展开法描述箱式超大型浮体漂浮在不平底部海域中的水弹性响应问题。
Random wave surface was simulated using given target spectra and the experiments of random wave propagation on mild-slope models were carried out.
文中以给定靶谱模拟随机波面，并对在缓坡中传播着的随机波进行了模型实验。
Wave action applied pressure to the bottoms and sides, and the pressure propagated up through the ice to the surface.
海浪的作用力向其底部及侧部挤压，这股压力向上传递至冰山的表面。
Sensors detect when dust concentrations reach a critical level and then an electric charge energises the material sending a dust-repelling wave across its surface.
当传感器发现粉尘浓度达到了临界水平，就有一定的电荷促使该材料发出除尘波越过其表面。
Wave action and the digging of nearby horseshoe crabs disturb many of the egg clusters, bringing them closer to the surface.
波浪作用和附近的马蹄蟹的挖掘，使一些卵群更接近沙滩表面。
The charge creates a wave over the material's surface that physically lifts the dust and tosses it over the edges.
电荷在透明材料表面产生电磁波，物理上抛起灰尘并将其震荡出材料边缘。
A plasmon is an electronic surface wave that rolls through the sea of conduction electrons on a metal.
一个是电子表面等离子体波，在金属辊通过海传导电子。
The world's first and only commercial wave power plant resembles a 500-foot- (150 meter-) long, 11 foot- (3.5 meter-) wide snake that floats, half-submerged, on the sea surface.
世界做大也是唯一商业目的的波电站看上去就像一条500英尺（150米）长，11英尺（3.5米）宽，在海面漂浮着，一半浸没在海水里的蛇。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit, drawing the particle first towards the advancing wave.
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，先把微粒拉向前移动的海浪。
A typical ocean wave forms when wind produces a ripple across the surface of the sea.
风掠过海面时产生水波就形成了典型的海浪。
Most of the carbon is returned to near-surface waters when phytoplankton are eaten or decompose, but some falls into the ocean depths. Illustration adapted from a New Wave of ocean Science, u.
大部分的碳会在浮游植物被食用或者分解的时候返回到近地表水域，但仍有一部分被带进了大洋深处。
According to the patent filing, the data centers would be located 3 to 7 miles off-shore and would make use of the Pelamis wave Energy Converter units that turn ocean surface waves into electricity.
据这份专利文件的描述，这些数据中心必须位于离海岸3- 7英里的海上，并利用Pelamis海浪能量转换器单元将海洋表面的波浪转换为电力。
Transient surface wave exploration is a geophysical exploration technique.
瞬态面波勘探就是物探技术中的一种。
While numerical modelling of surface travelling wave absorption performance was feasible, without experimental data, calibration of any such simulation model was not possible.
即便没有试验数据，表面行波吸收性能的数值也是可以模拟的，但是不能校准这些模拟数值。
Unlike an ocean wave, a wavefront or surface of constant phase is unobservable and undetectable.
和海浪不同，波阵面或固定相平面是不能观测和不能发现的。
This allows more solar radiation to penetrate the earth's atmosphere, which promotes a climate forcing effect (more short wave radiation reaches the earth, warming land and sea-surface temps).
这使得更多的太阳辐射穿透地球的大气层，从而促进气候强迫作用(更短波辐射到达地球，升高陆地和海洋表面气温)。
At this time the simulator does not implement surface travelling wave modelling and associated edge or gap backscatter modelling, or edge diffraction scattering effect modelling.
这次模拟器没有对表面行波、相邻边界和缝隙的反向散射，或者边缘绕射散射效应进行建模。
An important factors of parts quality is geometrical accuracy, includes size accuracy, form accuracy, surface rough degree, wave degree etc.
影响零件质量的一个重要方面是几何精度，它包括尺寸精度、形位精度、表面粗糙度和波度等。
In this paper the general theory and some experimental results of the electromagnetic surface wave excited by the holographic grating are described.
本文研究了应用全息光栅激励电磁表面波的一般理论与一些实验研究的结果。
No effort was made to assess the performance of the surveyed materials as surface travelling wave absorbers.
评估表明，把被研究材料作为表面行波吸收剂是不可行的。
The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.
建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.
建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
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