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- 高海拔750kV系統high-altitude 750 kV system
- 關於天體；達到最高海拔或者頂峰。of a celestial body: reach its highest altitude or the meridian.
- 生態系統ecological system
- 中高海拔arid and semiarid regions
- 免疫系統immunologic system
- 高分high score
- 電力系統electric power system
- 偏高on the high side
- 神經系統nervous system
- 高新high-new
- 電腦系統computer system
- 高海拔沙地high altitude sand
- 電氣系統electrical system
- 多高how tall
- 排水系統drainage system
- 至高paramount
- 嵌入式系統embedded system
- 層高height between floors
- 高素質high-quality
- 高新區high and new technology industrial development zone
