1. This last may also be in a key signature to show changes in key. 升降号也可画在调号上以表示调的改变。
2. A key signature is placed at the beginning of a piece of music or of a section to indicate the key of the piece or section. 调号位于一篇音乐作品或一章节的开始部分，来表示该作品或章节的调域。
3. Two important findings about Bartok's notations are found in this work. First of all, there is no key signature, instead, only accidentals. 记谱法方面得出两个结论，第一个结论是多佛版本的「儿童」钢琴曲集里，一律没有使用调号，只使用临时升降记号。
英英解释
n.
1. the sharps or flats that follow the clef and indicate the key
