covertadj.隐蔽的；偷偷摸摸的；隐密的n.掩蔽物；树丛；覆羽Covert channel analysis隐蔽通道分析covert channel capacity隐通道能力Covert Penetration Radar秘密突防雷达covertness and overtness隐现covert sports curriculum体育隐蔽课程covert promotion of role角色隐式提升Covert Penetration System秘密攻击系统covert military operations秘密军事行动Covert defeat into victory转败为胜。covert channels in disk arm磁臂隐通道

covert coat轻皮短外套