春联是对仗工整的文字，通常一联七字，由黑墨笔写在红纸上，然后贴在门框两侧。
Spring couplets are paired phrases, typically of seven Chinese characters each, written on red paper in black ink, and one pasted on each side of a door frame.
靠旗杆一侧为红色等腰三角形，内有一颗白色七角星；右侧自上而下为黑、白、绿三色的平行宽条。
On one side for the red flag, an isosceles triangle a white seven horns star, The top-down for black, white, green parallel wide.
通过测定土壤样品的重金属含量，调查了上海七宝镇污染水系两侧与上海宝钢集团厂区的重金属污染状况。
In this paper, the stream Banks nearby Qibao town and the factory area of Shanghai Baoshan Steel Company were selected as the typical areas contaminated by heavy metals.
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