Our use of fossil fuels is the main source of excess greenhouse gases.
我们对化石燃料的使用是温室气体过量的主要来源。
Water was the main source of mechanical power, and by the end of the seventeenth century, England alone is thought to have had some 20,000 working mills.
水是机械动力的主要来源，而到了17世纪末，人们认为仅英格兰就有2万个左右的工作磨坊。
Susannah Fox from the Pew Internet Project says doctors are still the main source of health information.
来自皮尤互联网项目的苏珊娜·福克斯表示，医生仍然是健康信息的主要来源。
Finally, listing 8 shows the main source listings.
最后，清单8展示了主要的源代码清单。
Pharmacies were the main source (86%) of non-prescribed antibiotics.
药房是非处方抗生素的主要来源（86%）。
It defines templates for the elements in the main source and the secondary sources.
它定义了用于主源文档和辅助源文档中各元素的模板。
Solar recently overtook the microchip industry as the main source of demand for silicon.
目前，太阳能超过微芯片成为硅元素的最主要需求源泉。
Your daily diet should be the main source of your nutrients, including vitamins and minerals.
你每天的饮食才是营养的主要来源，包括维生素和矿物质。
Listing 4. merge.xsl — the stylesheet processes the documents listed in the main source.
清单4 . merge . xsl样式表—用于处理主源文档中列出的文档。
The gas (petrol) tax, the main source of revenue for transport, has remained flat since 1993.
天然气(燃油)税收作为交通经费的主要来源自1993年以来就处于地位运行且表现平平。
The Yangtze River basin is the main source for water in the South-North water Diversion Project.
长江流域是南水北调工程的主要水源。
India's monsoon rains are the main source of irrigation water for the country's 235 million farmers.
印度的季风雨是全国两亿三千五百万农民的灌溉水主要来源。
Since he was the main source of the firm's profits at the time, his masters could scarcely refuse him.
当时他是公司盈利的主要来源，因此他的上司很少会拒绝他的要求。
These are marked to market and have been the main source of the savage write-downs that Banks have suffered.
这些资产是盯市的，并成为银行遭受大规模减记的主要根源。
They therefore suspect the main source of food for AAPB is dissolved organic matter released by phytoplankton.
因而他们怀疑AAPB的主要食物源应为浮游植物所释放的分解有机物。
This fallout material decays over a long period of time, and is the main source of residual nuclear radiation.
尘降物需要很长的时间才会衰减，这是核辐射残留的主要来源。
Land, the main source of wealth, is by the very nature of things treated differently from other kinds of property.
土地是主要的财富渊源，按照物的本质区分，它有别于其他类别的财产。
He lost his arms in an accident that claimed his father's lifewho was the main source of support for the family.
在一次事故中，作为家中顶梁柱的父亲永远地离去了，他也因此失去了双手。
The difference, or carry, would be the main source of return; if the bonds rose in price as well, so much the better.
其中的差额或携带将是回报的主要来源，如果债券的价格上扬那就更好了，多多益善。
To summarize, when combining documents with XSLT, you want to start from the main source and load the secondary sources.
为了进行汇总，在用XSLT组合文档时，希望从主源文档开始，然后装入辅助源文档。
The other obvious change in the main source document is the addition of some translation-related elements and attributes.
主文档中另一个明显变化是添加了一些与翻译相关的元素和属性。
The main source looks like Listing 3 -- it simply lists the documents to combine (as well as providing a title for the collection).
主源文档类似于清单3 所示 — 清单 3只是列出了要组合的文档（并提供了该集合的标题）。
California's infamous Proposition 13 of 1978 cut property taxes, the main source of revenue for municipalities and school districts.
加州1978年的13号提案缩减了市政和学区最主要的收入来源，财产税，而备受指责。
NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
For years, the two Banks closely mimicked each other, expanding in Spain, which is still the main source of profits, and in Latin America.
几年来，两家银行一直相互密切模仿：在西班牙和拉美进行业务扩张；其中西班牙仍旧是其盈利主要来源。
Most manufacturers (let alone service industries) do not use much energy, the main source of emissions, and so would not suffer big costs.
大多数生产商(服务业更不用说)所用能源有限，而能源又是温室气体的主要来源，因此他们不会受到巨大损失。
Most manufacturers (let alone service industries) do not use much energy, the main source of emissions, and so would not suffer big costs.
大多数生产商(服务业更不用说)所用能源有限，而能源又是温室气体的主要来源，因此他们不会受到巨大损失。
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