在影片中，覃培军扮演了一位经历过煤窑塌方的幸存者，他拼命抓住每一个可能让他在镜头前露脸的机会，即使只是作为背景。
In the film, Qin Peijun, a survivor from a coal mine collapse, goes all out to seize every possibility to get his face in the lens of the camera, even if only as an extra.
史培军说，还有1万8千人仍然失踪，他补充道，因为距离地震发生已经有三月个，所以这些人生还的希望已经变得越来越渺茫。
About another 18,000 were still missing, Shi said, adding that hopes of survival for these people were increasingly slim given that it has been three months since the disaster.
陈来九，吕震中，王培红， 丁艳军提出了一种基于特征空间矢量的故障诊断方法。
This paper presents a fault diagnosis method based on characteristic space vector.
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