除了粮食产量之外，还有许多不同的方法来衡量农业表现：能源使用、环境成本、水的纯度、碳足迹和生物多样性。
There are many different ways to measure agricultural performance besides food yield: energy use, environmental costs, water purity, carbon footprint and biodiversity.
水可以吸收和释放大量的热量，而温度变化不大，从而创造一个稳定的环境。
Water can absorb and release a lot of heat without big changes in temperature, thus creating a stable environment.
它可以在环境中存留多年，并污染大面积的土地和水。
It can remain in the environment for many years and pollute large areas of land and water.
这个重达240公斤的机器人被送入天空，用于勘测火星的地形、地理状况，以及水、冰、环境和其他物理场的有关情况。
The 240-kilogram robot was sent into the sky to survey Mars' landforms, geography situation, and something about water, ice, environment and other physical fields.
这样的火星环境也许包含了一些基本的生命要素——包括水，有机碳和维持微生物新陈代谢的能量源。
Such an environment would have to contain the basic ingredients of life-including water, organic carbon and a source of energy to sustain the microbes' metabolism.
这意味着通过提高目前定价过低的工业投入品——譬如土地、能源、水、电、环境和资本——的价格，取消对工业的补贴；
This means removing the subsidies to industry by raising currently underpriced prices of inputs into industry such as land, energy, water, electricity, the environment, and capital.
这样的火星环境也许包含了一些基本的生命要素——包括水，有机碳和维持微生物新陈代谢的能量源。
Such an environment would have to contain the basic ingredients of life — including water, organic carbon and a source of energy to sustain the microbes' metabolism.
水在自身温度没有多大变化的情况下可以吸收和释放很多热量，从而起到调节环境的作用。
Water can absorb and release a lot of heat without big changes in its temperature, thus creating a stable environment.
这可能来自于生产阶段的粪肥和水，有可能是在加工处理过程中来自于周围的环境，还有可能是在包装环节由于缺乏卫生设备造成的。
It can occur during production, from manure and water, during processing from environmental sources and during the final handling and packing, possibly as a result of poor human sanitation.
孩子们还可以与周围的森林，生物保留区互动，了解能源和水的过度使用如何影响环境。
Kids are invited to interact with the surrounding forest, the bio-retention area, and understand how the building's energy and water use affect the environment.
环境湿度和水的存在会减缓化学反应的进程，减慢腐烂的过程。
Humidity or water from the environment buffers those reactions, slowing their effects.
我们通过了清洁空气和清洁水的法案，设立了环境保护署(Environmental Protection Agency)，保护了美国备受珍惜的美好江山。
We passed the Clean Air and Clean Water Acts, established the Environmental Protection Agency, and safeguarded treasured American landscapes.
通过观察存在于极端环境下的生物，研究人员发现液态水只能在有限范围内的温度和压力下供生物使用这些发现会让科学家对外太空生命的搜寻集中到太阳系来。 莱恩威弗说：“我们猜想在地球上找到的这些限制条件是限制所有以水为支撑的生命的基础。”
After compiling observations of life in extreme environments, the researchers found that liquid water in only a limited range of temperatures and pressures can support life.
植物在光照和适于它们的自然环境下的温度中生长得最好，比如：热带植物喜欢明亮且潮湿的环境，而仙人掌需要光照但只需要很少的水。
Plants do best in the light and temperature of their native environment. For instance, tropical plants like their surroundings bright and humid, while cacti need sunlight but very little water.
当排放的废气和水以及这种有机化合物混合时，二氧化碳会在室温和接近常压的环境下转化成像果冻一样的黏稠状态。
When the emissions are mixed with water and the compound, the carbon dioxide turns into a sherbetlike consistency at virtually room temperature and under close to ordinary pressure.
水和环境卫生的总体质量仍然极差，从而助长了霍乱传播。
The overall quality of water and sanitation remains very poor, therefore facilitating cholera transmission.
改善水、环境卫生和个人卫生的努力可相互作用，提高整体健康水平。
Efforts to improve water, sanitation and hygiene interact with each other to boost overall health.
确实，在一些雨水和地表水丰富并且地质和土壤环境理想的地方，地下含水层可以很快就得到补充。
In some places it is indeed replenished quite quickly if rain or surface water is available and the geological and soil conditions are favourable.
它们涉及的领域从环境保护、全球变暖到水服务的公平定价以及灌溉、工业和家庭用水的公平分配。
They range from protection of the environment and global warming to fair pricing of water services and equitable distribution of water for irrigation, industry and household use.
如果他们从糖饮料到[清洁]自来水，公众健康和生存环境就会有质的飞跃。
If they go from sugar beverages to [clean] tap water, you get a public health home run and environmental home run.
乳品生产消耗了大量的水和食物，会对环境产生负面影响，而这些水和食物原本可以供人食用。
Milk production takes a toll on the environment by consuming water and food that could instead be used to feed people.
环境保护主义者关于人口问题的归责长期唇枪舌剑争论不休：人口总量即与之对应的供给人口需要的水、食物、矿产和清洁的空气总量等等。
Environmentalists are arguing in circles about who or what is to blame: the total number of people; or the amount of water, food, mineral ores or clean air each demands.
缺乏安全的水、环境卫生和个人卫生会影响儿童健康、安全、生活及其生活质量，妇女和女童首当其冲受到最严重的影响。
Lack of access to water, sanitation and hygiene affects the health, security, livelihood and quality of life for children, impacting women and girls first and most.
在竞争如此激烈的环境中并没有多少能够生长起来，要面对的挑战包括疾病、水和光。但是那些幸存下来的就顶天立地了。
Not many manage to grow in that competitive environment, where challenges include disease, water and light. But those that do survive are wondrous.
环境工作小组建议瓶装水公司像自来水供应商一样，提供关于其水源和水处理更为详细的信息。
The environmental group recommends that bottling companies provide detailed information about the source and treatment of their water, just as providers of tap water do.
在这些社会和环境进程中，世界上用于提供粮食、水和空气质量所必要的可耕地和牧场日渐减少。
These social and environmental processes are stressing the world's arable lands and pastures essential for the provision of food and water and quality air.
在这些社会和环境进程中，世界上用于提供粮食、水和空气质量所必要的可耕地和牧场日渐减少。
These social and environmental processes are stressing the world's arable lands and pastures essential for the provision of food and water and quality air.
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