信息安全 密码理论与技术 释文 convertible signature 可转换签名
- double amplitude
- double angle formula
- double-angle formula
- double approximation
- double-arch tunnel central pilot
- double arc method
- double argument
- double arm bridge
- double-arm bridge
- double arm kneader
- double-arm spectrometer
- double-arms spectrometer
- double arrow
- double asteroid
- double astrograph
- double ball sintering
- double banner advertisement
- double bar
- double barrier magnetic tunnel junction
- double barrier tunneling
- double-barrier tunneling
- double-bar warp machine
- double base propellant
- double-base propellant
- double bass