设备价格下降，是这门生意能够成立的前提。租金区间从早期的“几万一天”回落到几千元一天，使得更多活动方能够接受成本。这种价格带变化，为市场规模打开了空间。
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the concept was well-known in the computer industry. As IBM designed the 2984,。业内人士推荐搜狗输入法下载作为进阶阅读
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