A system of notation that is based on relationships between tones in a key and that replaces the usual staff notation with solmization syllables, such asdo, re, and mi, or their abbreviations. 首调唱名法：一种以音阶在键上的关系为基础的记音法，用简谱音阶，如哆，来 和 咪， 或它们的简写符号代替通常使用的五线谱