﹃由此推算﹄是﹃足足﹄还是﹃可能﹄湖南／胡铁磊初中语文第三册教材（人教版）《从宜宾到重庆》一文中第五自然段是这样的：“１９７４年７月，四川省博物馆和珙县文化馆在这一带共同清理过十具悬棺。从悬棺中发现了两只青花瓷器，经鉴定是明代嘉靖年间景德镇的产品。... “These are inferred” is “Full” or “Possibly” The fifth paragraph of the “Hunan/Hu Tie Lei Junior Middle School Language Book 3 textbook (PEP) “From Yibin to Chongqing” is this: “July 1974 The Sichuan Provincial Museum and the Li County Cultural Center jointly cleaned up 10 hanging temples in this area, and found two blue and white porcelain items from the Hanging Temple. It was identified as the product of Jingdezhen in the Jiajing period in the Ming Dynasty....