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This decision seems to be one of the more hotly-contested among ergo enthusiasts. A conventional keyboard has staggered keys, with each row slightly offset to the rows above and below it — so the A key is about halfway between the Q and W above it. This is a holdover from vintage mechanical typewriters, in which each press activated a hammer that smashed ink onto paper in the shape of a letter. To fit the hammers as close together as possible, while still allowing for finger pads, the keys were staggered.
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Coast route crowned Britain's favourite path，详情可参考91视频
八闽大地，平野上稻浪千重，山林中茶果飘香，大海上渔排纵横……
let offset = pixel + (value - 0.5) * (1.0 / number of levels)