It's a bit like if you're pushing a boat through a river and measuring something about the surface - you don't want to measure the ripples from the boat.
这就有点儿像你将一艘船从河的这边推到另一边，并测量河面上的某些东西，但你不希望连同船儿泛起的涟漪也一并测量出来。
Water on the land surface appears in shades of dull green, and a temporary river runs north-south through the image.
陆地表面的水流呈现暗绿的阴影，一条临时出现的河流自北向南纵贯图片。
In that year "a defect at the dam opened the gates, making a toxic layer of hard metals deposited at the bottom of the river come up" to the surface, she said.
就是那年，大坝的门户错误的打开，使得那些原本位于河流底部的有毒重金属层浮到了表面，她继续说道。
It's a wide river with an unassuming surface of sunlight and shadow, a storied river that doesn't advertise the inexorable pathos transported in its depths.
河道很宽敞，平静的河面上交织着光影，这条河流并不用宣传大河深处那些无法改变的哀婉就已经历史闻名。
Rilles look like river channels on the lunar surface.
月球表面的山谷看上去像是河道。
It wasnt the flight through the air that alarmed me, or the actual impact with the river, but the sound of my body knifing through the surface.
让我受到惊吓的不是腾空而起，也不是与河水的撞击，而是我的身体划破水面的声音。
Now people strictly observe the rule against bathing with soap in the river, and there are no longer plastic bags full of marigold offerings floating on its surface.
如今，人们严格遵守着不在河中用香皂洗澡的规定，也不再把装满金盏花塑料袋漂在水面上。
Oprah: [Reading from the poem] "I am a mayfly metamorphosing on the surface of the river.
欧普拉：[念诗]“我是河面上的蜉蝣生物。
On June 22, 1969, the Cuyahoga River in Cleveland, Ohio, caught fire, apparently after sparks from a train ignited a surface oil slick.
1969年6月22日，俄亥俄州克里夫兰的凯霍加河着了一场大火，表面上看是由于火车点燃地面的废油引起火星导致的。
According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
A trumpeter swan glides across the surface of the Yellowstone River.
一只号手天鹅正游过黄石河的水面。
Like a deep river, Snake people are usually placid on the surface, but their thoughts and emotions run very deep.
属蛇的人内心像一条深河，外表通常给人感觉平静，但他们的思想和感情很深沉。
They moved in procession down the surface of the frozen river, on foot, and dragging their canoes after them on sledges.
在冰冻的河面上他们拖着载有小船的雪橇列队向南步行。
The typical estuary—Shanghai Yangtze River Estuary, which is full of resources and with widen surface, has many ecosystem services.
上海长江口是我国的典型河口，海域水面开阔，资源丰富，具有多种生态系统服务功能。
The surface erosion and fluvial silt in upper reaches of Changjiang River were analyzed systematically.
本文系统的分析研究了长江上游地面侵蚀和河流泥沙两个系统。
On a lake surface, or on a surface of a slow river, there is not any particular orientation of wood logs.
在湖面，或在一个缓慢流动的河流中，原木没有特定的流动方向。
The sun shone out warmly and covered the surface of the river with gold.
太阳温暖地照耀四方，在河面傅上一层金色。
Shouting in his abandon, he felt as if he had dissolved into the hubbub, with the surface of the river to be swept through the long gorge.
他痛快地大声叫嚷着，是感到自己已经完全融化在这喧腾声里，融化在河面上生起的、掠过大河长峡的凉风中了。
Its main work includes the Yellow river sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.
其主要工作内容包括黄河河道断面淤积测验，河道表层河床质取样及颗粒级配分析等工作。
An oar is floating on the surface of the river. I am wondering who has left it.
一只划桨飘在河面上，不知道是被谁给落下的。
Behind the station lay a river, its surface glittering with a snowy brilliance, winding away to become lost among the leaden fields.
车站背后躺着一条河流，水光雪亮，没入铅色的田地里。（叶圣陶《倪焕之》）
The water feature craved out from large granite stone artfully demonstrates the natural process how river goes through land surface for hundreds of years and transforms the land into river valley.
溪水流淌过花岗岩石，巧妙地展示了河水流经陆地数百年的自然过程，并将土地变成河谷。
Surface water resources in Liaohe river basin middle and downstream are poor.
辽河流域中下游地区地表水资源贫乏。
With the increase of displacement speed, fracture mode of the river patterns gradually became obvious and fracture surface became coarser.
随着加载速度的加快，河流纹断裂形态逐渐变得明显，同时断口形貌变得更加粗糙。
The measured data show that the bedload sediment transport rate is related more closely to the effective stream power within the bed-surface layer than to the river stream power.
实测资料表明，推移质输沙率与床面层内有效水流功率有良好的相关性，且高于推移质输沙率与水流功率的相关性。
The results showed that under the status of land surface, the surface water resources of Weihe River Basin in Shaanxi mainly depends on the rainfall.
结果表明：在现状下垫面等条件下，渭河流域陕西片的地表水资源主要取决于降雨资源。
Study results indicate that the surface scarps of the Pinggu area are river erosion scarps.
研究结果表明，平谷地区的地表陡坎是河流侵蚀陡坎。
Study results indicate that the surface scarps of the Pinggu area are river erosion scarps.
研究结果表明，平谷地区的地表陡坎是河流侵蚀陡坎。
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