文章结合工程实例，介绍坐标互换公式在工程施工中的应用及应注意的问题。
Based on the actual engineering practice, the article introduces the application of coordinate interchanging formula in engineering construction and relevant precautions.
该文拟从可互换拍子、对等拍子、现代音乐节拍观念等方面入手，谈谈在节拍听辨中应注意的几个问题。
This paper discusses the problems in meter audition from the Angle of commutative meter, parallel meter and modern music meter.
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