Major problems include ozone depletion, global warming, water and air pollution, releases of POPsand land degradation including coastal erosion.
此层是不透水的水和空气,保护下面的金属,快速改革时表面被划伤。
This layer is impervious to water and air, protecting the metal beneathand also quickly reforms when the surface is scratched.
能源安全和成本、水和空气的质量、气候、陆地及海洋生态系统、食品安全以及其他许多方面都会受到威胁。
Energy security and cost, water and air quality, climate, ecosystems on land and in the oceans, food security and much more would be threatened.
对另一些人来说,水和空气只是开或关,雪的质量是由空气的温度和湿度决定的。
For others, the water and air are simply on or off and the snow quality is determined by the air temperature and humidity.
热的水和空气按摩对人体有益影响的知识已至少两千年实用。
The beneficial effects of warm water and air massage on the human body have been knownand used for at least two thousand years.
他们致力于改善回收工作,废物处理,公共卫生以及控制水和空气污染。
They are involved in efforts to improve recycling, waste disposal,public health, andwater and air pollution control.".
此外,土木工程师还负责基础设施与自然环境的兼容性:地面、水和空气。
In addition, Civil Engineers are also responsible for the compatibility of the infrastructure with the natural environment:the ground, water and air.
金属,放射性核种和器官的污染物质引起的环境污染影响生物圈的质量:土壤,水和空气。
Environmental pollution caused by metals, radionuclides and organic pollutants affects quality of the biosphere:soil, water and air.
自然工质是自然存在的物质,如碳氢化合物(R290,R600a),CO2,氨,水和空气。
Natural refrigerants are naturally occurring substances, such as hydrocarbons(R290, R600a), CO2,ammonia, water and air.
人类为了生存,对于食物具有一种“生理需求”--我们都需要食物,像我们需要水和空气一样。
Humans have a“biological demand” for food- we all need food,just as we need water and air.
如果需求增加,“在月球上为火箭推进剂建造氧气发生器比为人们提供饮用水和空气更有经济意义。
If demand increases,"building oxygen generators on the moon for rocket propellants is moreeconomically meaningful than providing people with drinking water and air.".
了解我们在中国广泛的产品类别:家庭安全,厨房用具,个人护理,水和空气净化等等。
Learn about our expansive product categories in China: home security, kitchen appliances,personal care, water and air purification and much more.
锌是自然出现在环境中的:岩石、土壤、水和空气始终天然含有可变浓度的锌。
Zinc is naturally present in the environment: rocks, soil, water and air have always naturally contained variable concentrations of it.
只要管理好燃油、润滑油、水和空气,就可减少70%的故障….
As long as you manage the fuel, lubricant, water, and air, you can reduce the failure….
只要管理好燃油、润滑油、水和空气,就可减少7….
As long as you manage the fuel, lubricant, water, and air, you can reduce the failure….
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