理论计算机科学 可计算性与计算复杂性 释文 backup strategy 候补策略
- protection work of channel bank
- protection zoning of scenic regions
- protective brokers
- protective circuit for thyristor
- protective clause of long-term loans
- protective clothing
- protective clothing for medical use
- protective colouration
- protective connect to neutral
- protective current
- protective device
- protective door of railway tunnel
- protective earth embankment
- protective earthing
- protective employment policy
- protective enclosure
- protective engineering
- protective forest
- protective glasses
- protective greenbelt
- protective jurisdiction
- protective layer
- protective load
- protective mask
- protective medical textiles