access control model

• 访问控制模型

access control model的用法和样例：

例句

1. Control model for quality forecasting.
   质量预测控制模型。
2. The authorization and access request rules and constraints of spatial region access control were defined, and the method of spatial data access control was described in detail.
   给出了授权和访问请求判断的方法，建立了二维空间区域访问控制模型。