| 摘要 |
A collapsible keyboard comprises a first key assembly, a second key assembly rotatably connected to the first key assembly and a third key assembly rotatably connected to the second key assembly. The first key assembly is located between the second and third key assemblies when the collapsible keyboard is in a collapsed mode, and the first key assembly, the second and third key assemblies are substantially located on the same level when the collapsible keyboard is in an operating mode.
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