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现代钢琴 ( pianoforte)是 1 71 0年由意大利乐器制造家克里斯托福里根据哈普西科德改制而成的键盘乐器。钢琴结构比较复杂 ,其中主要部件为键盘、踏板、击弦机、弦槌、琴弦、金属框架及共鸣板。钢琴的键盘由白键和黑键按十二平均律半音关系排列而成。钢琴分为平台式和直立式两种形制 ,平台式钢琴一般为 7组音 88键 ,音域从A2 ———C5 ;立式钢琴一般 7组音 85键 ,音域从A2———a4。
The piano piano (for pianoforte) was a keyboard instrument made in 1910 by an Italian musical instrument manufacturer, Christophe, which was transformed from Hapsico. The structure of the piano is relatively complex, with the main components being the keyboard, pedals, action stringers, hammers, strings, metal frames, and sounding boards. The keyboard of the piano is arranged by the white key and the black key according to a twelve-average law semitone relationship. Piano is divided into platform and vertical two forms, platform piano is generally 7 groups of 88 keys, ranging from A2 --- C5; upright piano is generally 7 groups of 85 keys, ranging from A2 --- a4.