Water and heat from volcanic activity are two basic conditions needed for life to form.
火山活动所散发的热量和水是形成生命的两个基本条件。
This suggests that Earth's water may have come from inside, driven to the surface to form the oceans, by geological activity.
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。
Grazing herds stimulate microbial activity in the soil, helping to capture water and separate carbon.
放牧能刺激土壤中的微生物活动，帮助水分的获取和碳的分离。
They occur primarily in regions of recent volcanic activity as hot, dry rock; natural hot water; or natural steam.
地热能主要以干热的岩石、自然热水或自然蒸汽的形式出现在近期火山活动的区域。
The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.
后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。
Losing sodium can affect brain activity, so early symptoms of water intoxication can include irritability, drowsiness and other mental changes.
钠缺乏会影响大脑活动，所以水中毒的早期症状包括易怒、嗜睡等其他精神上的变化。
Other factors include changes in solar activity, the increased water vapour that can be held by warmer air and soot and other particles produced by fossil fuel and wood burning in Asia.
其他因素包括太阳活动，通过温暖的空气、烟尘、在亚洲化石燃料和木材燃烧产生其他粒子的变化都可以增加水汽以至变暖趋势降低。
Scientists believe water activity affected this plateau after the formation of the nearby canyons. Although the source of water and sediment remains uncertain.
科学家相信，在附近峡谷形成之前这片高原受到过水的影响，虽然水源和泥沙的问题仍不明朗。
You've probably heard of hot yoga and power yoga, but now there's another form of the physical and mental activity that's gaining popularity in India - water yoga.
也许你曾听说过高温瑜伽和活力瑜伽，但另一种形神结合的活动正在印度日益流行——水中瑜伽。
Both rovers have now found evidence of past water activity on the planet, NASA announced last week.
上周美国宇航局宣布，两辆火星车现在都已经发现火星上曾经有水存在的证据。
The world's rivers are so badly affected by human activity that the water security of almost 5 billion people, and the survival of thousands of aquatic species, are threatened, scientists warned .
世界上的河流被人类活动严重影响。接近50亿人口的饮水安全，还有成千上万的水生物种的生存都受到威胁。
However, the undeniable fact is that today there are more schools, hospitals, more potable water, and more economic activity than during the war period.
然而，不可否认的事实是，今天比战争年代有了更多的学校、更多的医院、更多的饮用水、以及更多的经济活动。
And this activity correlated to changes in the reservoir's water levels.
这些前震的活动性是与水库水位的变化相关的。
In addition, WDF set up three day care centers, provided sewing machines, bicycles and water pumps to help people resume agricultural activity.
此外，WDF还建立了三个托儿所，提供了缝纫机、自行车和水泵，以帮助人们重新开始农业活动。
Listen for alarm calls, snorting breath, splashing water and changes in the activity of other creatures.
注意倾听动物惊恐的吼叫，打鼾声，泼水声和其他动物姿态的变化。
Geologic features imply that liquid water once flowed across the surface, and volcanic activity, now dead, once flourished, recycling chemicals and minerals between the surface and the interior.
地质特征暗示着火星上曾经流动着液态水，而现在悄无声息的死火山也曾经一度繁荣，在地表和火星内部进行着化学物质交换。
Walking on water may seem miraculous, but for tiny aquatic snails, it's an everyday activity.
在水面上行走看起来十分神奇，但对一些水生螺类来说这却是每天都在做的事。
Still central to Rotorua's tourism offering is its accessibility to thermal activity such as hot-water geysers and boiling mud pools, plus the opportunity to engage in Maori culture.
当前，罗托鲁瓦旅游业的主导核心仍然是与地热相关的各式活动，游客不仅能体验近在咫尺的热水间歇泉、沸腾泥浆池，还能有机会与毛利文化作近距离接触。
New fumaroles were observed, and several geysers showed enhanced activity and increasing water temperatures.
科学家们观测到了新的火山喷气孔，而且几个间歇喷泉增强了活性并提高了水温。
You've probably heard of hot yoga and power yoga, but now there's another form of the physical and mental activity that's gaining in popularity in India — water yoga.
你可能听说过高温瑜伽和力量瑜伽，但现在有一种新的瑜伽在印度日渐流行，这就是水中瑜伽。
You also can go to the Summer Palace to swim. It claims to be China's biggest water activity center.
您还可以去夏宫游泳。据称，那是中国最大的水上活动中心。
The effect of water activity on growth of microorganisms, lipid oxidation, enzyme activity, food texture as well as protein and vitamins were also discussed.
讨论了水分活度对微生物生长、食品中油脂的氧化、酶活力、食品的质构、食品中蛋白质和维生素的影响。
This paper illustrates the theory of water activity and osmotic pressure, and reveals the relationship between the theory and the conditions for the safe transportation of grain and food.
本文在阐述了水活性和渗透压理论的基础上，揭示了这些理论与粮谷及各类食品运输安全条件的关系。
This paper introduced definition, measurement, application and study status quo of water activity.
本文介绍了水分活性的定义并对其检测方法、作用及研究现状进行综述。
It claims to be China's biggest water activity center.
据称，那是中国最大的水上活动中心。
Anyway, if there's some kind of water activity, it may change our view of the planet once again to something it's not dead, not even a fossil.
不管怎么说，如果那里有水活动，一定会改变我们对火星是死物甚至是化石的看法。
Anyway, if there's some kind of water activity, it may change our view of the planet once again to something it's not dead, not even a fossil.
不管怎么说，如果那里有水活动，一定会改变我们对火星是死物甚至是化石的看法。
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