发声训练 meaning in English

vocal exercise

A brief talk on the identificatcion of soprano with alto and vocal music training
女高音与女中音的鉴定及发声训练
Because of the limit of the length on this paper , the study shall only focus on the principle of voice production , training of voice production , and application of head voice and chest voice
由于篇幅有限，本文仅从戏曲声乐的发声原理、发声训练、真假声运用等方面分别探讨之。