正式批准某人参与机密工作等的许可的英文

official permission for sb to work with secret information etc

• 正式批准:    official approval
• 某人:    a certain person
• 参与:    partake; participa ...
• 机密:    secret; classified ...
• 工作:    work; operation; w ...
• 等:    class; grade; rank
• 的:    4次方是 The fourth po ...
• 许可:    permit; allow; per ...