Instead, the researchers used the data from the accelerometer to determine whether key taps were on the right or left side of the keyboard and to gauge the delays between keystrokes.
A human reader would scan this receipt, decide on the data it contains, then enter the transaction via the keyboard.
人可以阅读此收据，决定它包含的数据，然后通过键盘输入这次交易。
3
The user can work with data through simple keyboard, mouse or touchscreen actions, but also changes in the data can easily be reflected through visual changes on the screen.