泓君：谷歌当时收购DeepMind是在一个什么样的背景下？
Scroll Lock was reportedly specifically added for spreadsheets, and it solved a very specific problem: before mice and trackpads, and before fast graphic cards, moving through a spreadsheet was a nightmare. Just like Caps Lock flipped the meaning of letter keys, and Num Lock that of the numeric keypad keys, Scroll Lock attempted to fix scrolling by changing the nature of the arrow keys.
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距离铁路口岸不远处的公路口岸，待检的进出口车辆正有序通过验放。“改革后公路口岸进出境车辆通行时间压缩85.5%，为企业节省了大量通关成本。”说起公路口岸的变化，李兰代表语气里透着欣喜。