He came upon us quite unexpectedly, entering by the front way, and had a full view of the whole three, ere we could raise our heads to glance at him.
他相当出乎我们意料地来到我们跟前，是从前门进来的，我们还没来得及抬头望他，他已经完全看到我们三个人了。
From an engineering point of view, this paper makes a full exposition of the design idea and concrete realization of the UATS preprocessor, that is, the analog front end of the UATS.
本文从工程应用的角度，全面阐述了水声靶标系统的模拟前端部分——水声靶标系统预处理机的设计思想和具体实现。
Must show the full front view of the head, with the face in the middle of the photo and include the top of the shoulders.
必须在照片中体现整个头部的正面，脸部在照片中间，且要包括肩部上端。
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