This assessment process is an ongoing activity for management, and is instrumental in achieving and maintaining predictable, repeatable processes.
这个评估过程是正在进行的管理活动，并且有利于完成并维护可预测的，可重复的过程。
2
Educational form include musical apprehension, choir and instrumental association, and so on. Every level of age have their own musical activity, they can develop all kinds of music education.
Percussion instrumental ensemble plays an important role in the performance as well as teaching activity of percussion instruments and gets more and more attention.