从道路或街道排除表面水被称为地表排水。
Removal of surface water from the road or street is known as surface drainage.
现在我们终于可以探索月球表面水的源头了。
We can now finally begin to consider the implications – and the origin – of water in the interior of the moon.
表面水的厚度与浆料的带电性和浆料中的阳离子种类有关。
The thickness of surface water film depends on the positive ion in pulp.
表面水——河流，湖波和水库中的新鲜水，贮藏以及流淌在地表。
Surface water----The fresh water in rivers, lakes, and reservoirs that collects and flows on the earth's surface.
本品为无色透明的酸性水溶液，能在一般室温下使用，主要用于清除花岗石因水泥湿贴形成的表面水斑。
It is colorless transparent acid water solution at room temperature, can in general use, mainly because of cement used to remove granite formation of surface water wet paste spot.
表面水和结构水是高岭土中水的两种主要存在形式，它们的行为在很大程度上反映了高岭土的结构和表面状态。
Water at the surface and constitutional water are two principal forms of water presence in kaolin. Their behaviors reflect to a good extent the constitution and surface state of kaolin.
我们地球表面的70%是水。
水蒸发后，土壤表面留下一层盐。
As the water evaporates, a crust of salt is left on the surface of the soil.
水覆盖了地球表面的大部分。
但是仍有一些水会保留下来，完全附着在岩石坚硬的表面上。
它是一个多样性环境，靠近表面的水趋近蓝色，往下深处是淡红色。
It's a diverse environment with water tending to be bluish near the surface and reddish deeper down.
这表明，地球上的水可能来自内部，由于地质活动，被带到表面形成海洋。
This suggests that Earth's water may have come from inside, driven to the surface to form the oceans, by geological activity.
然而，更新的数据表明，至少在该星球表面的一些部分的确存在过液态水，且存在于过去很长的一段时间内。
However, more recent data imply that at least some parts of the planet did in fact experience long periods in the past during which liquid water existed on the surface.
照片证据表明，液态水曾大量存在于火星表面。
Photographic evidence suggests that liquid water once existed in great quantity on the surface of Mars.
当水从海洋表面蒸发时，往往会留下较重的同位素，所以剩余的海水会逐渐富含氧18这种同位素。
Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18.
它是由表面张力的力量保持的，没有它，水会立即从任何潮湿的表面流失，使它完全干燥。
It is held there by the force of surface tension without which water would drain instantly from any wet surface, leaving it totally dry.
包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
地球表面近四分之三被水覆盖。
Nearly three quarters of the earth's surface is covered by water.
它是蓝色的，因为水几乎覆盖了地球表面的四分之三。
It's blue because water covers almost three quarters of the Earth's surface.
那天的课堂实验是为了展示加热一个盛水的容器会如何让空气冒泡到表面。
The class experiment that day was to show how heating a container of water would bring air bubbling to the surface.
水蒸气触及冷的表面即凝结成水。
蒸气接触到冷的表面就凝结成水。
在月球表面，水约占总物质含量的5.6%，这些储存量足够保障人类未来在月进行的各种探索任务。
Making up around 5.6 per cent of the surface material, it was present in sufficient quantities to be useful to future manned missions.
他们的推理是，受到液体与毛发之间的表面张力，水一定弹回狗身上。
They reasoned that the water is bound to the dog by surface tension between the liquid and the hair.
如今，还没有确凿的证据表面火星表面有液体的水存在。
Mars has not yet yielded definitive evidence of liquid water active on its surface today.
印度首次登月发现月球表面存在大量水的的证据，二十年内人类建立月球基地的梦想或许不再遥不可及。
Dreams of establishing a manned Moon base could become reality within two decades after India's first lunar mission found evidence of large quantities of water on its surface.
否则水就从土壤表面流失浪费了。
否则水就从土壤表面流失浪费了。
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