一个月后，他取消允许使用的技术。
A month later, he rescinded permission to use the techniques.
数据库管理员可以取消允许Rational ClearQuest用户建立索引的权限。
The database administrator can revoke the permission that was granted to a Rational ClearQuest user to build indexes.
他大幅削减关税，取消许可证，以及允许外国投资流入。
He slashed tariffs, abolished licences and allowed foreign investment to flow in.
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