First a little background science and math.

首先一点背景科学和数学。

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In economic growth theory, model of the excessive outside knowledge lacks the analysis of pair of background science knowledge.

经济增长理论中，知识外溢模型缺少对基础科学知识的分析。

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Many students have insufficient science and mathematics background to gain entrance to engineering school.

许多学生没有足够的科学和数学知识背景得到进入工程学院的许可。

《柯林斯英汉双解大词典》

He tells these teenagers the key to being an astronaut is having a solid background in math and science.

VOA: standard.2010.02.02

So generally and those of you coming from high school computer science background probably used An Integrated Development Environment which actually is a gooey with menus and icons and such.

对于你们这些,有着高中电脑知识背景的同学可能一般用,即“集成开发环境“,它有一些菜单，图标等等。

哈佛公开课 - 计算机科学课程节选

The chart you see here suggests that 72% of last year's students had zero prior computer science background.

这个图表显示的是%,去年修这门课的学生中,72％的人没有计算机方面的专业知识背景。

哈佛公开课 - 计算机科学课程节选

That means kids may not be getting the early background in science that they need.

CNN: Subject Matters: Science has an image problem

Their teachers are likely to have studied elementary education, but few will have a background in science.

CNN: Subject Matters: Science has an image problem

His wife, Megan, who has a background in science, suggested CU, the metal's symbol in the periodic table of elements.

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