理论计算机科学 可计算性与计算复杂性 释文 partial truth assignment 部分真值指派
- land cover
- land cover change
- land cover classification
- land cover type
- land deed
- land degradation
- land degradation in China
- land degradation in mining area
- land degradation neutrality
- land demand
- land desertification control
- land destruction
- land developer
- land development
- land development right
- land disposal
- land disposal of solid wastes
- land dispute between the Yu and Rui states
- land ecological compensation
- land ecological evaluation
- land ecological function
- land ecological pattern
- land ecological process
- land ecological remediation
- land ecological security