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我們的軟件工具通常是沉默的, 我們能聽到的只有靜靜敲擊鍵盤的聲音.Our software tools are mostly silent; all we hear is the quiet click of the keyboard.鍵盤的90個鍵必須組成9×10的矩陣.The 90 keys of the keyboard must be organized as a 9 by 10 matrix.至于光盤, 則是在鍵盤的左方.Op...