来自甘肃的石塔有“太缘二年丙子岁”字样。
北凉奉夏国的承光年号时，曾用了同韵意义相近的阳字代替了光字，做成承阳年号。同理，学界认为沮渠氏北凉奉北魏正朔时，遵照谐音，将“延和”和“太延”分别改作“缘禾”和“太缘”[1][2]。
参考文献
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