数据的数字世界和我们所处的自然环境之间有一个相似之处，劣质的数据就像是一堆垃圾：遍布于环境中的污染物。
There's a fitting analogy between the digital world of data and the physical environment we live in. Bad data is like trash: pollutants that infest the environment.
对它们来说，这些仔细过滤后充入了二氧化碳的水流是维系呼吸、赖以生存的依靠。而这些鱼在大自然中的家园――美国东南部的河流已经被大坝阻断奔腾的脚步，又因为污染物遍布而让它们无法栖身。
For them the carefully filtered, aerated wateroffers the breath of life, whereas their natural homes—streams andrivers in the southeastern United States—are choked by dams and cloudedwith pollutants.
“把自然和技术结合起来能够增强植物清除空气污染物的效力，”他说。”
"Combining nature with technology can increase the effectiveness of plants in removing air pollutants, " he said.
我们一边耗尽自然资源，一边产生化学污染物。
We are using up our natural resources and at the same time polluting our environment with dangerous chemicals.
另外，运输设施的建设及扩展也会产生污染物，或危害我们的自然资源。
In addition, transportation infrastructure construction and expansion often generate pollutants or endanger natural resources.
砷广泛分布于自然界，而且是一种重要的环境污染物。
Arsenic is widely distributed in nature and also an important environmental pollutant.
全面增强漆膜超强抗污配方，能有效抵抗墙面自然吸收各类污染物。
Super anti-fouling paint a comprehensive enhancement formula, the natural absorption of the wall can be effective against various types of pollutants.
污染物指一切影响水的自然状况或预期用途的化学的、物理的或生物的物质。
The pollutants are any chemical, physical, or biological substances that affect the natural condition of water or its intended use.
自然界中的许多矿物自身赋有容纳和稳定有害物质的自净化能力，可用于重金属类污染物的治理。
Many minerals in nature have the self-purification capacity to hold and stabilize deleterious contaminant, which can be used to deal with heavy metal contaminants.
PM的形成是由许多人为的因素或大自然自己散发出来的，也有污染物与空气产生相互反应而产生。
Many manmade and natural sources emit PM directly or emit other pollutants that react in the atmosphere to form PM.
这种空气污染物来自各种自然和人为来源。
This kind of air pollutant come from a variety of natural and manmade sources.
以煤为主的能源结构和不利于污染物扩散的自然环境是兰州市区大气污染严重的主要原因。
Coal is the most important part of energy structure and the natural surroundings in poor dispersion of pollutants in the air are the main reasons for serious pollution in Lanzhou urban.
利用淋滤土柱的动态平衡试验法，模拟自然降雨入渗条件下，石油类污染物在吉林油田区包气带土层中的迁移转化过程。
Based on analysis of an oil field in North China, laboratory simulation of soil column and numerical model simulation were used to analyze the petroleum pollutants transportation with groundwater.
土壤中的化学污染物在自然条件下污染自然降解速度非常缓慢，形成对地下水的长期污染源。
The natural degradation speed of the pollution of chemical pollutants in the soil is very slow under a natural condition, so a long-time pollution source to underground water is formed.
油类污染物泄漏或排放到自然水体中，将会造成水体的污染，而且严重地威胁人们身体的健康。
Water will be polluted if oil-pollution leaks or drawn into the natural water, which threatened the health of people . So, it is extremely important to measure the oil-pollution in water.
油类污染物泄漏或排放到自然水体中，将会造成水体的污染，而且严重地威胁人们身体的健康。
Water will be polluted if oil-pollution leaks or drawn into the natural water, which threatened the health of people . So, it is extremely important to measure the oil-pollution in water.
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