应弦
应弦-
对气圈形状、节数和张力的研究应以弦振动理论为基础。
The study of the shapes , sections and tension of unwinding balloom must be based upon the theory of string vibration .
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分析表明，与五声相对应的五弦音高来自西周三种一弦等份取音法主要节点的综合。
The analysis demonstrates that five strings ' pitch corresponding to the pentatonic scale originates to synthesis of three kind of the equal parts ' theory on a string in the Western Zhou Dynasty .