求翻译：声部确认是一个严格而严肃的问题。声部的确认将直接关系到歌唱者能否用科学的方法练声，能否学好音乐，每个声部的音域都是在该声部的最佳肌肉运动状态范围内，错定位必然使学生不在最合理的运动状态下歌唱，时间一长，引起不良后果，甚至出现嗓音疾病。是什么意思？

Part confirmed that a strict and serious problem. Confirmation of the part is directly related to the singer whether to use the scientific method to practice sound, can learn the music of each part of the range are the best muscle movement state within the part, wrong positioning is bound to student

That channel is a strict and serious issues. Confirm that the return will have a direct bearing on whether or not singing, using the scientific method of sound, whether or not his music study, each channel of the Preis der Deutschen schallplattenkritik in the channel are the best muscle movement wit

The musical part confirmation is one strict and the serious question.Whether will the musical part confirmation directly relate the chanteur to use the science the method to practice the sound, whether will learn music, each musical part range all will be in this musical part best muscular motion co

Voice confirmation is a rigorous and serious problem. Voice confirmation will have a direct bearing on the singer will be able to use the scientific method to practice sound, can learn music, each voice part of range is the best muscle movement in the voices within the State, wrong location will res