分析句子 "Network security protection equipment, such as firewalls and IDS, is deployed at the boundary of the internal and external networks." 的文法結構
這句話的文法結構如下：
1. **主語 (Subject)**: "Network security protection equipment"
- 這是一個名詞短語，表示網絡安全保護設備。
2. **插入語 (Parenthe