A study on the construction and presently analyse of antiquities and ancient sites landscape of Beijing is a important part of a study on the construction of landscape ecology of Beijing.
北京市文物古迹景观现状分析与建设研究，是北京市景观生态建设研究的重要组成部分之一。
All this amounts to around 30% of the cost of construction, according to a case study on Living PlanIT by the Harvard Business School.
这一切，根据哈佛商学院针对Living PlanIT所作的一项个案研究数据，占到了建筑成本的大约30%。
The cloning of human angiopoietin 1 gene and construction of it's expression vectors lay a good foundation of further study on the function, biological activity and application.
人血管生成素- 1基因的克隆及表达载体的构建，为进一步研究其功能、活性和应用奠定了基础。
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