作业帮噪声是发声体什么时发出的声音,从环境保护角度看,凡是什么人们正常工作学习和休息的声音,以及对人们要听声音产生什么的声音,都属于噪声
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/29 05:00:34
噪声是发声体什么时发出的声音,从环境保护角度看,凡是什么人们正常工作学习和休息的声音,以及对人们要听声音产生什么的声音,都属于噪声
噪声是发声体什么时发出的声音,从环境保护角度看,凡是什么人们正常工作学习和休息的声音,以及对人们要听
声音产生什么的声音,都属于噪声
噪声是发声体什么时发出的声音,从环境保护角度看,凡是什么人们正常工作学习和休息的声音,以及对人们要听声音产生什么的声音,都属于噪声
The Festival of Lanterns takes place at the end of the Chinese New Year Celebration, on the fifteenth day of the first moon. Lanterns have been part of Chinese life for centuries so it's not surprising to see a festival of lanterns.
People usually hang lanterns in the gardens, outside the houses, and on the boats. These lanterns are signposts to guide guests and spirits of ancestors to the Lunar celebration. After a sumptuous fifteen-day feast, these lanterns light the way for the spirits back to the world beyond.
Silk, paper and plastic lanterns vary in shape and size and are usually multi-colored. Some are in the shapes of butterflies, birds, flowers, and boats. Other are shaped like dragon, fruit and animal symbols of that year. The most popular type of lantern is the "horse-racing" one, in which figures or anim