Columnar or ortholinear keyboards stack the keys in orderly columns, often with rows that are not linear. Proponents claim this makes the keys easier to reach. Whether that’s true will be up to your fingers to decide, but I can say for certain that if you learned to type on a staggered keyboard, switching to a columnar layout is tough. It will take days, possibly weeks before you instinctively hit the C key. The N, M and B keys don’t fare much better.
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广东省中医院对中医药瑰宝进行系统性勘探、抢救性挖掘与科学性验证，并通过“师带徒”等方式，把名老中医经验、中医药特色疗法和适宜技术传承好。
Даниил Иринин (Редактор отдела «Наука и техника»)