primary source
- 原始资料：尤其是由知名作者创作的作品，现在成为评论（次级来源）的主题，或者是历史研究中创造于或接近研究事件时间的历史对象，尤其是书面文件。
网络释义专业释义英英释义
... 主调度员，调度主任：chief dispatcher 主电源，主动力：main power 主电源，一次电源;一次[中子]源：primary source ...
基于62个网页-相关网页
primary source material 原始生油物质 ; 资料
Primary Source Subdivision Accuracy 令主要光源划分精确度
primary source of infection [植保] 初侵染源
Primary Source Collections 及第一手资源
primary source text [计] 主源程序正文
the primary source material 烃类的母质
file primary source 文件主源
device primary source [计] 设备主源
双语例句原声例句权威例句
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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。
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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。
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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。
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That's not the only place but that's a primary source of it.
这不是唯一的出处,但是最主要的来源
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You see the lactose of course from milk, and then when you get down to the cellulose, and we're talking about starches and then fiber gets involved in here too, then cereals and vegetables become the primary source of these.
你们知道乳糖来自于乳类,当你研究纤维素的时候,以及我们在这里所说的淀粉和纤维,他们最主要的来源是谷类和蔬菜
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