小组用类似的方式测试并优化了该鼠标的其他关键部件，囊括了从鼠标按键的敲击卡嗒声到球的橡胶涂敷工艺。

• The team similarly tested and refined the mouse's other key components, from the audible and tactile click of the mouse button to the rubberized coating on the ball.