信息安全 密码理论与技术 释文 one-time pad 一次一密
- ship dynamic positioning system classification
- ship dynamic positioning system positioning ability
- ship electric propulsion
- ship emission control areas
- ship emission inventory
- ship equipment
- ship garbage disposal system
- ship handling
- Ship in Autumn River by Xu Daoning
- Shi Ping
- Shi Pingmei
- Shiping Xian
- ship insubmersibility
- shipi powder
- ship life-saving map
- ship lift
- ship light environment
- ship lighting
- ship loader
- ship load line
- ship lock technology in ancient China
- ship magnetic azimuth correction
- ship maintenance and repair
- ship management
- ship maneuverability