交待一下背景知识，中国目前电能结构中风电所占的比率只有0.4%，煤电占80%。
To put this in context, wind currently generates only 0.4% of Chinese electricity. Coal generates 80%.
背景：脑内投射至海马结构的胆碱能系统与学习记忆有关。
BACKGROUND: Cholinergic system projected in brain and hippocampal structure is relevant with learning and memory.
这一新的结构增加了路径长度，而且减少了背景噪音。
This newer configuration increases the path length and has been shown to reduce background noise.
本文首先介绍了本文公约产生的背景以及公约的结构。
At the start, this paper introduces a background of the Convention and its structure.
他的书分为四个部分：意义、声音、结构和社会背景。
The book has four sections: Meaning, Sound, Structure and Social Context.
提出本文研究的背景、意义和结构思路。
It tells us the background, significance and the structural flow chart of the research.
本文首先分析了结构主义文论在中国传播的背景和条件。
First, the text analyzes the promulgating background and condition of the spread of the theory.
在此背景下，对广西上市公司盈利结构进行研究具有重要的现实意义。
On this background, it is a significant to study Profit structure of Guangxi.
第一章综述课题背景、主要内容和组织结构；
The first chapter of project background, main content, and organizational structure;
论文以大展弦比飞翼布局机翼蒙皮的优化设计为背景，开展了复合材料层压板结构的优化设计工作。
In this paper, an effective design optimization method for High-aspect-ratio composite wing skin is presented.
该社会机制有着由特定的主体、中介、客体和背景构成的基本结构。
Such a social mechanism is composed of specific subject, medium, object and background.
第一章，介绍了研究背景，对文献进行回顾，并提出本文的结构与不足。
In chapter 1, we describe background of research and review on the prior research.
在这一背景下，地下结构的安全性监测与预警变得越来越重要。
The design and development of the security monitoring system for grid structural coal-shed;
背景结构对于拍出赏心悦目的照片是很重要的一部分。
Framing is an important part of getting a shot that is pleasing to the eye.
许多评价和案例分析遵循背景-挑战-解决方案—结果的结构。
Most testimonials and case studies follow a background-challenge-solution-results structure.
许多评价和案例分析遵循背景-挑战-解决方案—结果的结构。
Most testimonials and case studies follow a background-challenge-solution-results structure.
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