- third-order language
- third-order nonlinearity
- third-order nonlinear optical effect
- third-order nonlinear optical effects
- third-order nonlinear susceptibility
- third-order predicate logic
- third order theory of aberration
- third-part logistics
- third-party assessment for targeted poverty alleviation
- third party copying
- third party damage of oil and gas pipeline
- third-party electronic market
- third-party enforcement
- third-party evaluation
- third party influence and compensation in water right transaction
- third party in litigation
- third party liability insurance
- Third-Party Logistics，3PL
- third party monitoring
- Third Party Movements
- Third Party Operation of Pollution Treatment Facility
- third-party payment
- third-party source
- third party's reason
- third-party trustee