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However, whereas PCs typically have a rechargeable battery or removable coin cell that is used to retain configuration settings and maintain the time-of-day while powered down, Sun hardware instead uses a TIMEKEEPER device which integrates SRAM, RTC and a battery. Hence when the battery fails, the entire device must be replaced.
，这一点在新收录的资料中也有详细论述
但在这个消费闭环中，“创造”与“造物”的边界十分模糊。而随着3D打印从小众爱好圈层迈向大众消费市场，这种模糊势必会得到市场的注意和讨论。
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