| Subject | English | Chinese simplified |
| comp., MS | certification authority hierarchy | 证书颁发机构层次结构 (A hierarchy in which the roles of the certification authority are separated into one root CA and one or more subordinate CAs) |
| comp., MS | certification hierarchy | 证书层次结构 (A model of trust for certificates in which certification paths are created by means of the establishment of parent-child relationships between certification authorities) |