That certainly would include writing materials, computer or typewriter, reference books or materials.
这其中当然包括了书写材料，计算机或者打字机，参考书或参考资料。
Hit the backspace key on a computer or typewriter keyboard.
敲计算机或打字机上的退格键。
Examples of common devices that are poorly designed ergonomically include the snow shovel and the computer or typewriter keyboard.
人体工学上设计不良的常用工具有雪铲、计算机或打字机的键盘。
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