信息安全 密码理论与技术 释文 uniquely decodable distance 唯一解码距
- leveling effect
- leveling instrument
- leveling line
- leveling of production
- leveling origin
- leveling rod
- leveling solvent
- leveling staff
- level-k thinking
- leveller
- Levellers
- level lifetime
- level limiting valve
- level line
- levelling
- levelling agent
- levelling instrument
- levelling-up
- level man car
- level manifold
- level matching conditions
- level measurement of flotation machines
- level measuring device
- level measuring instrument
- level meter