A subterranean flow of briny water could rearrange sand grains or alter surface roughness in a way that darkens its appearance.
地下水流的流动会使得沙粒积累，并使得表面变得粗糙，从而颜色更深。
Perhaps the flow of water rearranges dirt particles on the surface, or maybe the streaks are the residue left behind when the briny water evaporates.
也许是水流重新排列了其表面的尘埃，或者也许这些条纹是这些盐水蒸发后所留下的残迹。
The shape of this amazing fishbowl was inspired by a water drop which was ready to flow over the edge of the surface it was resting on.
这个样貌奇特的鱼缸的设计灵感，来自于一滴即将从它正停留表面滑落的水珠。
Recent orbital images show that water might still occasionally flow on the surface of Mars.
最近的轨道照片显示水仍然偶尔流过火星表面。
The last, through experiments of flume and water tunnel, the liquid slip effect on drag-reduction over super -hydrophobic surface for various flow conditions was researched.
通过水槽和水洞的实验，研究了超疏水性表面在不同流动条件下的减阻特性。
The keels, finlets, and corselet help direct the flow of water over the body surface in such as way as to reduce resistance (see the figure).
龙骨，小鳍和盔甲帮助引导水流流过身体表面，他们用这种方式来降低水的阻力（看图示）。
Surface lines the scale up, it's often depress out flow of water injection lines.
油田地面注水管线结垢，会降低管线的流量。
The flow noise reduction of al alloy model with low surface energy coatings have been studied in a water tunnel.
低表面能涂层涂覆在铝合金模型上，考察了其在水筒中低频段降低流噪声的效果。
Infiltration model for surge irrigation is the base of surface water flow movement simulation and irrigation scheme design of surge irrigation.
波涌灌溉土壤间歇入渗数学模型是进行波涌灌溉田面水流运动数值模拟和灌水方案优化设计的基础。
In this case, the water table is not flow surface and there is no "seepage surface" on the side walls of drainage river channel.
该条件下的潜水位面不是流面，在排水河渠边壁也不存在所谓的“渗出面”。
Open channel flow is a sort of generalize for water flow phenomenon, which water stream with free surface be leashed by solid boundary with finity scale.
明渠水流是对具有自由表面的水流在有限尺度的固体边界约束下流动现象的一种概化。
Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.
地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。
The transient temperature field at surface of a stainless steel micro-tube, in which flow boiling of water occurs, is measured by the Infrared Radiometer.
本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量。
Air compressor of eduction rust water flow to the brick surface don't.
空压机排出的铁锈水不要流到砖面上。
Steady water surface profile of gradually varied flow can be calculated using either a steady flow approach or an unsteady flow approach.
使用计算机计算明渠恒定渐变流水面曲线有两种分法：恒定流方法和非恒定流方法。
Based on the calculation of aerodynamic flow field, overcooled water droplets trajectories and energy equation, surface temperatures of the anemometer under various conditions were obtained.
通过对空气流场、过冷水滴运动轨迹的计算和能量方程的求解，得到了多种状态下的风速管表面温度。
While infiltration water generated from filtration of meteoric water and surface water flows from basin edge to its center in gravity -induced centripetal flow.
渗入水由大气降水和地表水的渗入产生，受重力作用由盆地边缘向盆地中心呈向心流。
Through setting up artificial surface flow district and the station observation in farmlands, the water holding characteristic of canopy of the two modes were analyzed based on the experimental data.
通过建立坡面人工径流小区对两种模式和农耕地进行定位观测，在实验数据的基础上分析了两种模式的林冠截留特征。
By means of the analysis of the quality of the surface water and ground water in the syncline core above the tunnel, the flow modes of the surface water and ground water in the syncline are discussed.
通过向斜核部地表、隧道内涌水点的水质分析，对隧道上方向斜地面地下水的径流模式进行了初步探讨，明确了在向斜核部、隧道上方的地层中存在着一条地下暗河或岩溶系统。
The qualitative analysis and quantitative calculation about water surface curve is one of problems on non-uniform flow in water conservancy works.
水利工程中提出的非均匀流问题之一，是关于水面曲线的定性分析和定量计算。
Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；
A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.
建立了填料塔的二维传热传质模型，考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。
The calculated results show that the established mathematical model can satisfactorily simulate the variation of water surface pattern and redistribution of velocity in bend flow.
计算和验证表明：建立的弯道水流数学模型能较好地模拟弯道水面形态变化和流速重分布。
It usually works in the oblique flow, and its blades come into and out of the water surface, therefore vertical forces are generated as the propeller rotates.
由于表面桨一般在斜向流中工作，且存在桨叶出入水面，所以表面桨在工作时会产生垂向力。
However, the unstable flow is usually considered as stable flow in the calculation of natural river water surface curve in order to minimize the calculation work.
但在天然河道水面线计算中，为了节省工作量把不恒定流视为恒定流。
The calculation of flow is often needed in water conservancy, and surface-fitting and double integration are usually met in order to solve this problem.
水利行业经常要进行流量计算，这样就会遇到曲面拟合和曲面积分的问题。
The lift of fin would vanish at anchor. Because the speed of water flow across the surface of fin stabilizers is zero on this condition.
船舶在低航速或零航速情况下，由于流过鳍表面的水流速度为零，鳍上升力也将消失，因而此时减摇鳍几乎不能进行减摇。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
The characters of border irrigation water flow movement of surface irrigation and its zero-inertia model have been introduced.
介绍了地面灌溉中畦灌水流运动的特性及零惯量模型。
The characters of border irrigation water flow movement of surface irrigation and its zero-inertia model have been introduced.
介绍了地面灌溉中畦灌水流运动的特性及零惯量模型。
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