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
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/17 08:17:08
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
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
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
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
噪声的定义从环境保护的角度上来看,凡是影响人们正常休息、学习和工作的声音,以及对人们要听的声音产生_____的声音都属于
A、噪声从环境保护角度看，凡是妨碍人们的正常休息、工作和学习的声音，以及对人们要听到的声音起干扰作用的声音都是噪声，所
因为从环境保护来讲，凡是影响人们正常的生活、休息和学习的声音，以及对人们要听到的声音气干扰作用的声音，都属于噪声．所以
从环保的角度：凡是影响人们正常工作,休息,工作的声音,凡是人们在某些场合“（ ）”的,都数噪声.填写（
物理学上把发声体作______时所产生的声音叫做噪声．从环境保护上说，凡是对人们的生活和工作有______的一切声音都是
从环境保护角度看,凡是妨碍人们（）、（）、（）的声音,以及人们在某些场合（）的声音,都属于噪声
从物理学角度讲,噪声是指发声体做（ ）时发出的声音,人们用（
A、噪声从环境保护的角度来说，凡是妨碍人的工作、休息和学习的声音都属于噪声，故A项不正确；B、“声音洪亮”指的
从物理角度看,噪声强弱是指发声体做什么是发出声音的大小?
从物理学角度讲,噪声是由于物体作（ ）振动时发出的声音.从环保角度讲,凡是人们在某些场合（ ）,都属
从物理学角度看，噪声指发声体做______时发出的声音．