Principal component analysis (PCA) Analytic hierarchy process 1 Analytic hierarchy process (AHP) 1 Autocorrelation 1 China 1 Ecological vulnerability 1 Ecology 1 Entropy 1 Entropy weight model 1 Entropy weights 1 Environmental protection 1 Geographic information systems 1 Hierarchical systems 1 Image-guided radiation therapy (IGRT) 1 Indicator indicator 1 Information use 1 Jilin 1 Jilin Province 1 Lung cancer 1 Motion model 1 Planning 1 Principal component analyse 1 Principal component analysis 1 Principal-component analysis 1 Remote sensing 1 Respiratory-correlated four-dimensional cone-beam CT (4D-CBCT) 1 Spatial temporals 1 Spatial variables measurement 1 Stereotactic body radiotherapy (SBRT) 1 Study areas 1