Those who regularly watch television sports channel viewers, in large-scale international sports competitions will see the "circle lightning" emblem, which is the German Opel logo.
凡是经常看电视体育频道节目的观众，都会在大型国际球类比赛中看到“圆圈闪电”的徽记，那就是德国欧宝汽车的标识。
Secondly, the found oil and gas mainly circle around the hydrocarbon kitchen, and the scale of reservoirs was increased following the increase of the hydrocarbon discharge intensity of source rocks.
目前发现的油气藏均围绕生烃中心呈环状分布，油气藏的规模与烃源岩的排烃强度具有较好的正向相关性；
The paper discussed the strength calculation of the growing circle bure of small scale vertical boiler, and put forward his opinion according its stress.
就小型立式锅炉长圆孔开孔强度计算进行了探讨，根据长圆孔的应力状态，提出了自己的看法。
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