1世纪是从公元8y9s2P8q;x/P'k/Z3R(L年至-S(}(a0c3v,I3v年；+v)D(J)z3Y
9世纪是从公元*u.I;T2G1W5}7B+p)n3_,k-C年至0c.v2o5z/u/j/s8s5^年；+v)D(J)z3Y
12世纪是从公元3[)q+J/M年至.z'\/W'['J,B/d0{9t年；+v)D(J)z3Y
19世纪是从公元(q'r({;V,B*t*E6S2`3u'A7]5[8n9z年至0[(z,j.{5U+]8E.x2H年.+v)D(J)z3Y