There are many who argue that corn ethanol should replace fossil fuel gas as the primary source for running cars.
许多人认为，玉米乙醇应该取代化石燃料气体，成为汽车的主要燃料。
Parallel rails had long been used in mining operations to move bigger loads, but horses were still the primary source of power.
在采矿作业中，平行铁轨早已被用来运送大件的货物，但马匹仍然是主要的运输工具。
Virtual goods have become the company's primary source of profits.
网络虚拟物品成为这家公司最大的利润来源。
The United States will remain the primary source of clean-energy innovation.
美国将依然保持清洁新能源的主要输出国地位。
It`s best to consume organic vegetables and fruits as your primary source of alpha-carotene.
最好以有机蔬菜和水果作为α-胡萝卜素的首要来源。
Farming is the only or primary source of income for more than three-quarters of the world's poor.
世界上有四分之三以上的贫困人口以农业作为唯一的或主要的收入来源。
That means the money raised in the IPO will become the primary source of fresh capital for lending growth.
这意味着，IPO中筹得的资金将成为其新增贷款增长的主要来源。
As of this writing, the blogosphere is the primary source of information about news and events that occur in many countries.
在撰写本文时，博客圈是了解发生在许多国家的新闻的主要信息来源。
The VOA sets the rates for different types of property, and local authorities collect them as their primary source of revenue.
评估局为不同的财产定下不同的税率，地方部门则执行它并将税收作为主要财政收入。
"Virtual goods sales already represent the primary source of revenue for social gaming on Facebook," he writes in the new report.
“虚拟产品销售已成为Facebook上社交游戏的主要收入来源，”他在这份新报告中写到。
And, of course, the information Centers remain the primary source for reference information and task-oriented product documentation.
当然，信息中心仍然是参考信息和面向任务的产品文档的主要来源。
nss_ldap is a set of C library extensions that allow LDAP directory servers to be used as a primary source of user and group information.
nss_ldap是一组C库扩展，它允许LDAP目录服务器用作一个用户和组信息的主源
Twenty thousand jobs would be lost, and many communities in the north of England and in Wales would lose their primary source of employment.
两万矿工将因此失业，英格兰北部和威尔士的许多社区将会失去其主要的就业来源。
In some systems, these stored messages are the primary source of up-to-date information for supporting the business of an institution or firm.
在某些系统中，这些存储的消息是支持机构或公司业务所需的最新信息的主要来源。
Academic journals tend to be the primary source of news for science reporters because that is where researchers usually publish their findings.
学术杂志通常是科学记者的主要新闻来源，因为科学家通常是在这些杂志上发表他们的发现。
Many parasitic, tropical, and "orphan" diseases are infrequent in the developed world, the primary source of revenue for medicines manufacturers.
许多寄生虫病、热带病和“罕见”病在作为药品制造商主要收入来源的发达世界很少见。
More than 3.5 billion people depend on the ocean for their primary source of food and in 20 years this number could double, the report's authors say.
超过35亿人口依靠海洋作为其主要食物来源，20年后这个数字可能翻番，该报告的作者说。
"For now, the data indicate that mobile devices are mainly a supplemental platform for local news and information, not a primary source," the survey explains.
调查解释说，根据数据显示，现在移动设备只是获取本地新闻和信息的补充手段，而不是主要渠道。
After a century as a primary source of artificial light these energy-guzzling bulbs are set to be replaced by light-emitting diodes (LEDs), powered by semiconductors.
在过去的一个世纪中，白炽灯泡一直为人造灯源的基本产品；但现在，耗能惊人的白炽灯泡注定将被由半导体驱动的发光二极管(LED)所替代。
The most basic parser functionality doesn't support a wide array of data types; therefore, irregular or unusual data, which is common, is a primary source of difficulty.
最基本的解析器功能支持的数据类型不多，因此处理不规则或少见的数据(经常会遇到这种情况)成为最主要的困难。
Torvalds began working on Git as an interim solution to replace BitKeeper, which had previously been the primary source code tool in use by Linux kernel developers worldwide.
Torvalds开始着手开发Git是为了作为一种过渡方案来替代BitKeeper，后者之前一直是Linux内核开发人员在全球使用的主要源代码工具。
Facebook CEO envisions a more personalized, humanized Web, where our network of friends, colleagues, peers, and family is our primary source of information, just as it is offline.
Facebook总裁马克·扎克伯格（Mark Zuckerberg）则描绘了一个更加个性化、人性化的网络，也就是我们的朋友、同事、伙伴和家人的网络，它将成为我们主要的信息来源，就像从前没有网络那样。
However, the problem arises when the balance is distorted, when gaining approval from others and being better than others become the primary source of our self-respect and self-confidence.
但是，当依赖与独立性自尊的关系失衡，获得表扬和优于别人成为人们获取自我尊重和自信心的主要来源时，问题便不期而至。
The best studies we can find say we are a nation of over 20 million bloggers, with 1.7 million profiting from the work, and 452,000 of those using blogging as their primary source of income.
我们所能找到的最好的研究显示，美国博客作者总人数超过2,000万，其中170万人从中营利，而45.2万人以博客写作为主要收入来源。
Facebook CEO Mark Zuckerberg envisions a more personalized, humanized Web, where our network of friends, colleagues, peers, and family is our primary source of information, just as it is offline.
Facebook的CEOMarkZuckerberg设想应该有另一种更加个性化人性化的网络，我们可以和朋友、同事、同龄人交往，家庭是我们信息的第一来源，就像线下的真实社会一样。
Source material: Primary source for all four librettos is Schott's 1899 vocal scores (republished in the United States by Schirmer in 1904).
资料来源：四个版本都来源于1899年schott出版的歌谱(该歌谱1904年在美国由Schirmer再版)。
Source material: Primary source for all four librettos is Schott's 1899 vocal scores (republished in the United States by Schirmer in 1904).
资料来源：四个版本都来源于1899年schott出版的歌谱(该歌谱1904年在美国由Schirmer再版)。
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