In August, he shocked the sugar beet industry by revoking approval of the beets until the USDA carries out an environmental impact study.

八月，他撤销了对甜菜上市而震惊甜菜工业，直到美农业部进行完环境影响研究。

There are no provisions for revoking the prize.

没有撤销获奖的规定。

Revoking access requires deleting a certificate.

撤销访问需要删除一个证书。

Granting and revoking database authorities.

授予和撤消数据库权限。

Granting and revoking access to individual files.

授予和撤销对单独文件的访问权限。