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。
Wood, the primary source of heat for homes and industries and also used in the iron industry as processed charcoal, was diminishing in supply.
木材是家庭和工业的主要热源，也以加工木炭的形式用于铁工业，它的正在减少。
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。
The primary source of his identity is who he is—his father and his birthplace.
帕普的身份的主体是他的父亲和他的出生地。
The course is based on careful readings of primary source documents, with commentaries.
本课程需要对基本阅读材料进行仔细的阅读，然后进行评论。
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。
It can give you the viral edge that turns you into the primary source for a particular type of functionality.
它可提供viraledge，将您带入实现某种特定功能的源代码。
Receiving a RealLetter or Package via Snail Mail – E-mail has become the primary source ofwritten communication.
收到一封由邮递员送来的真正的信件或者包裹——电子邮件已经成为书面交流的主要来源。
Their primary source of information was a detailed ethnographic description of over 1,200 language groups across the world.
对于全世界1200多种语言种群的详细人种描述是他们基本的信息来源。
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。
Stakeholders are even the wrong category to be used as a primary source of knowledge when we need to architect an enterprise system.
在我们需要设计一个企业系统架构时，作为知识主要来源的涉众甚至是错误的分类。
The 140 character limit is necessary only because text messages, one of Twitter's primary source channels, are similarly constrained.
（140字符的限制完全来自文本消息，它是Twitter 的主要来源渠道，并受到类似的限制）。
Here in Siba, across the river from Abadan, the salt water is slowly destroying agriculture, the primary source of income other than oil.
来自阿巴丹岛的河水，流过斯巴，盐水正侵蚀破坏着当地的农业，农业是该地区的主要收入来源，而不是石油。
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。
Although you may have multiple streams of income, decide which type of income will be your primary source, and design your site around that.
尽管你会有多种收入来源，你还是要考虑一下哪种才是你最主要的收入来源，并且一次为重心来设计你的网站。
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。
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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