尽管 发表于 2025-3-28 17:04:09
https://doi.org/10.1007/978-981-10-4121-1A constant trend in modern physics has been the prediction and experimental validation of the existence of hidden degrees of freedom found in nature.PANT 发表于 2025-3-28 20:39:18
http://reply.papertrans.cn/63/6297/629683/629683_42.png洞察力 发表于 2025-3-29 02:04:16
tion of how period concepts can be adequately defined and used. In order to solve the problem of the alleged heterogeneity of ‘periods’, it is necessary to distinguish between ‘timespan’ and ‘period’ or ‘epoch’, that is, between a given chronological section of time and the period concept(s) applied