discovered this pattern on a 14th century madrassa.在一所14世纪的伊斯兰学校中 现了这个图案。 And after some analysis, concluded that this was, in fact, Penrose tiling 500 years before ...
BRUSSELS, Sept. 27 (Xinhua) -- Vice President of the European Commission Josep Borrell has stressed the need for immediate efforts towards the two-state solution, rather than waiting for a ceasefire, ...