You are a deep imprint on my heart, you are my life and moving piece of music, you are worried about my present and forever.

你是我心底深刻的烙印，你是我人生动人的乐章，你是我今世永远的牵挂。

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Dawn is able to perform the trick of moving from one asteroid to another thanks to its ion-rocket engines, pioneered on an earlier NASA mission called Deep Space one.

由于“黎明”号的离子火箭发动机是能够完成从一个小行星移动到另一个小行星上的技巧。曾早些时候，这种技巧在美国国家航空航天局被称作“深太空一号”任务中首次开创。

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Based on deep summarize and analysis of existing detection method about moving targets, the paper focuses on the detection of abandoned objects when video camera is fixed.

本文在深入总结和分析现有运动目标检测方法的基础上，重点研究了摄像机固定情况下遗留物的检测。

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