The term "procession" used in this Law means an activity in which people line up for a march along a public road or across a public place in the open air to express their common aspirations.

本法所称游行，是指在公共道路、露天公共场所列队行进、表达共同意愿的活动。

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A pre-procession method to extract the vehicle feature was presented in this paper, which combined the detection line and virtual loops.

针对于传统的地埋线圈检测器检测技术，本文给出了一种基于视频图像的虚拟线圈检测方法，并在实际应用中取得很好的效果。

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The shooting happened at what is known as a second-line parade - an impromptu community procession in which people dance down the street behind the official parade.

BBC: New Orleans Mother's Day parade hit by shooting