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。
Susannah Fox from the Pew Internet Project says doctors are still the main source of health information.
在克拉科夫，很多污染物来自家庭或工厂的煤燃烧，而在纽约市，小汽车，卡车和巴士的尾气排放是主要来源。
In Krakow, most of the compounds come from coal burning for home heating and factories, while in New York City, exhaust from cars, trucks and buses is the major source.
增加的资金主要来自巴西、中国、俄罗斯联邦和南非的国内来源以及全球基金在其它国家中的资助金。
Increased funding is mainly from domestic sources in Brazil, China, the Russian Federation and South Africa and from Global fund grants in other countries.
（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）。
The 140 character limit is necessary only because text messages, one of Twitter's primary source channels, are similarly constrained.
在木星上，带电粒子主要来自另一个来源：木卫一上面的火山。
At Jupiter, the charged particles come mostly from a different source: the volcanos of Io.
数据主要来自市场的来源和提供资料，总量所欠金额和新的问题。
The data are mainly derived from market sources and provide information on aggregates of amounts outstanding and new issues.
它们主要来源于母质，其次来自成土过程，降尘输入量极有限。
These clay minerals mainly come from parent material, a few from pedogenic processes, and dust input is minute.
根据成矿物质来源等方面研究，认为含矿岩系的物源主要来自碳酸盐岩的红土风化壳。
According to the study of source of minerals etc. the ore-bearing minerals are mainly derived from the laterite weathering of carbonate rock.
旅游业发达，是州经济的主要来源，来自美国本土、东亚、西欧等地的游客年可达300多万（1983年）。
Tourism is the main source of economic state, from the native American, Asia, Western Europe and other places in the visitors can reach more than 300 million (1983).
ZFIN中表征的数据来自三个主要来源：斑马鱼出版物精选、个别研究实验室和与生物信息学组织的协作。
Data represented in ZFIN are derived from three primary sources: curation of zebrafish publications, individual research laboratories and collaborations with bioinformatics organizations.
已有的皮肤光学特性的资料均来源于离体皮肤标本或是经过数学模拟而得，而且这些资料主要来自对白色人种或黑色人种研究的结果，对黄色人种活体皮肤组织的光吸收特性的研究数据甚少。
The existing data about skin optical properties were obtained from in vitro skin samples or by mathematic simulating. Most of those are mainly about white or black race and seldom about yellow race.
硫、铅同位素和锇同位素初始比值显示，成矿物质主要来自含矿侵入岩体，但是也有其它来源。
Sulfur and lead isotopic features and initial OS values suggest that the ore-forming materials were mainly derived from the host quartz diorite and granodiorite.
硫、铅同位素和锇同位素初始比值显示，成矿物质主要来自含矿侵入岩体，但是也有其它来源。
Sulfur and lead isotopic features and initial OS values suggest that the ore-forming materials were mainly derived from the host quartz diorite and granodiorite.
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