信息安全 密码理论与技术 释文 self-synchronous stream cipher 自同步流密码
- social structure
- social suffering
- social supervision
- social support
- social support for the aged
- social support networks
- social support of emergency management
- social support to destitute persons
- Social Survey in Yang-jiagou of Mizhi County
- social symbiosis
- Social synergy innovation mode
- social system
- social system of human settlements
- Social Systems
- social systems engineering
- social systems engineering modeling method
- social system theory
- social tagging
- Social talent mobility mechanism
- Social Theory and Social Structure
- social transaction
- social transfers in kind
- social transformation
- social transformation of China's mega city-regions
- Social transportization