He placed the most commonly used letters, like vowels, on the home row.
他将最常用的字母，像元音字母，放在中间行。
Good keyboard layout should help users by putting most frequently used characters in the home row, and the rest in the upper and lower rows.
好的键盘布局应当通过把最常使用的字符放在基准键位上，其他放在上方或下方键位上来方便用户。
Good keyboard layout should help users by putting most frequently used characters in the home row, and the rest in the upper and lower rows.
好的键盘布局应当通过把最常使用的字符放在基准键位上，其他放在上方或下方键位上来方便用户。
应用推荐