From the point of view of plane layout, keystroke match of the central section, edit &localization section and number aided section, the color design, the keyboard was improved pleasurably.

• 从键盘的平面布局、主键盘区、编辑与定位键盘区和数字辅助键盘区的按键搭配、定位键、色彩以及整体设计等角度，对键盘进行了改进和完善。