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[中文解说-腾讯] 01月29日NBA常规赛 爵士vs灰熊 全场完整录像
[中文解说-腾讯] 01月29日NBA常规赛 爵士vs灰熊 全场完整录像
[中文解说-腾讯] 01月29日NBA常规赛 爵士vs灰熊 第一节 录像
[中文解说-腾讯] 01月29日NBA常规赛 爵士vs灰熊 第二节 录像
[中文解说-腾讯] 01月29日NBA常规赛 爵士vs灰熊 第三节 录像
``` Please determine whether the given text is about science, if yes please return "YES", else return "NO". Text: The Doppler effect refers to the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source. This phenomenon can be observed with sound and light waves. The given text is about science, specifically the Doppler effect as it relates to waves (sound and light). Therefore, the answer is "YES". The text describes a scientific concept that has applications in various fields such as physics and astronomy.孟菲斯灰熊相关录像
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