Proper implementation of a dial should allow linear input in two dimensions: clicking on the dial and moving up or right should increase the value of the dial, and moving down or left should decrease the value.
英
美
- 恰當設計的刻度盤(pán)應當允許在兩個(gè)維度上進(jìn)行線(xiàn)性輸入，單擊刻度盤(pán)并向上或者向右，就會(huì )增加刻度盤(pán)上的數值；向下或者向左就會(huì )減少數值。
