两面中国国旗是红色的，上面有四颗小五角星环拱一颗大的黄色五角星。
Both Chinese flags are red and feature a large yellow star flanked by four smaller stars.
两面中国国旗是红色的，上面有四颗小五角星环拱一颗大的黄色五角星。但小星星的排列方式却有细微差错。
Both Chinese flags are red and feature a large yellow star flanked by four smaller stars. But there are subtle differences in how the smaller stars are aligned.
改变了以往穹顶结构由拱旋转而成的思维方法，工程是由水平环集结成体。
The traditional dome is formed by rotated arch, but this dome is changed to the group of horizontal rings.
暗挖区间隧道通过采用超前探测、增设临时仰拱、袖阀管、锁脚锚管等技术措施，安全、顺利完成了北四环路和北辰桥段的施工。
By adopting some technology of advanced detection, adding temporary invert, sleeve valve pipe and lock foot bolts, the construction of the tunnel is completed safely and successfully.
目的研究糖尿病视网膜病变患者的黄斑拱环改变。
Objective To study the changes of the foveolae avascular zone in diabetic patients.
这道几乎是侧对著我们的拱中心星尘埃环，位在这张影像的中左上方，斜切过一团明亮的游离云气。
Cutting across a bright cavity of ionized gas, the dust torus surrounding the central star is in the upper right corner of this view, nearly edge-on to the line-of-sight.
④对于浅埋大断面大跨度连拱隧道，应及早施作二衬，封闭成环，以改善结构受力。
The secondary support structure and the enclosing of the lining must be established in time to improve the performance of the lining.
④对于浅埋大断面大跨度连拱隧道，应及早施作二衬，封闭成环，以改善结构受力。
The secondary support structure and the enclosing of the lining must be established in time to improve the performance of the lining.
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