平行宇宙如果是真的，那质量/能量哪里来？ 还有如果高维时空有多的时间线，也会出现总能量/总质量无限的问题。 Last modification：February 4, 2018 © Allow specification reprint Support Appreciate the author AliPayWeChat Like 送杯咖啡，做个交流，谢谢！
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