Note that the compression ratios shown above reflect the expansion ratio, which is the ratio of the combustion chamber volumes when the piston is at Bottom dead centre and Top dead centre.
请注意，压缩比上述反映膨胀率，这是燃烧室的量的比例时，活塞的下死顶死中心，中心会显示。
Expansion joints in the column joints have core column connection column from top to bottom, usually designed to be movable joints.
伸缩缝处立柱接头有芯柱连接上下柱，通常设计为可活动的接头。
A function expansion method as in Liu et al (2007) is used to formulate the mat-type VLFS floating on the wave surface over uneven sea bottom.
采用作者们（2007）提出的函数展开法描述箱式超大型浮体漂浮在不平底部海域中的水弹性响应问题。
This paper is based on the investigation of the fore people, makes use of 3s technologies, analyzes the bottom mat changed from the city expansion, which causes the fall of groundwater level.
本文就是在前人研究的基础上，利用了3s技术，从空间角度分析了城市扩展导致下垫面变化，从而引起地下水补给量的减少。
This paper is based on the investigation of the fore people, makes use of 3s technologies, analyzes the bottom mat changed from the city expansion, which causes the fall of groundwater level.
本文就是在前人研究的基础上，利用了3s技术，从空间角度分析了城市扩展导致下垫面变化，从而引起地下水补给量的减少。
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