请以json格式输出人工智能的三个主要应用领域，并用英文缩写标出。
{"applications": [{"field": "Natural Language Processing", "acronym": "NLP"}, {"field": "Computer Vision", "acronym": "CV"}, {"field": "Robotics", "acronym": "ROB"}]}
user
```json
{"applications": [{"field": "Natural Language Processing", "acronym": "NLP"}, {"field": "Computer Vision", "acronym": "CV"}, {"field": "Robotics", "acronym": "ROB"}]}
```
assistant