等音就是记谱不同,音高一致。参看如下四个谱例:通过学习《半音模进式琶音》,大家对每个调的开头都会有几度定主音的段落有了深刻的印象,如大三度定主音、小六度定主音、纯四度定主音等等,会发现空弦是我们使用纯律时的主要依靠,比如:不管是升F还是降G,都要求和空弦A或空弦D形 Equivalent is notation, pitch is the same. See the following four examples: Through the study of “semitone mode Arpeggio,” everyone at the beginning of each tune will have a few degrees of the main voice of the paragraph has been deeply impressed, such as the third major vowel, The tonic, the pure fourth degree of the tonic and so on, you will find empty string is the main rely on when we use the pure law, such as: whether it is up F or down G, are required and empty string A or empty string D