网络与数据通信 网络互联 释文 urgent, URG 紧急域
- tourism commodities
- tourism competitiveness
- tourism concentration ratio
- Tourism Consumption
- Tourism consumption rate
- tourism creative destruction model
- Tourism demand
- Tourism demand elasticity
- tourism development
- tourism ecological footprint
- Tourism Economy
- Tourism enterprises
- tourism forecasting
- tourism geography
- tourism governance
- tourism image
- tourism industry
- tourism international practice
- Tourism laws and regulations
- Tourism market
- tourism marketing
- tourism media
- tourism migration
- tourism mobility
- tourism multiplier