In the example, M is 1, and N is a (10xx2), meaning that the UUID is a variant-1, version-1 UUID; that is, a time-based DCE/RFC 4122 UUID.
在例子中，M 是 1 而且 N 是 a(10xx)，這意味着此 UUID 是 "变体1"、"版本1" UUID；即基于时间的 DCE/RFC 4122 UUID。