2. Revocation of the county system in 1958, to resume in 1962, posts Zhangye area (hereinafter referred to as the region area).
1958年撤销县制,1962年恢复,隶于张掖专区(后称专区为地区)。
3. The proposed certificate
revocation schemes restrict algorithm performance because they fail to consider the differences between the probabilities of inquiring certificate.
在目前已经提出的证书废除机制中,由于未考虑证书查询概率之间的差异,限制了算法的性能。