Working out in the cardiovascular zone improves your heart and lung conditioning, hence the name 'cardio.
在心血管区工作，提高你的心脏和肺调节，因此命名为“心”。
2
Introduces the intelligent air conditioning system of Shenzhen Special Zone Press Tower, and describes its operation, modulation method and energy saving effect.
介绍特区报业大厦智能化空调系统，说明其运行、调节方式及节能效果。
3
In the cold zone, the primary requirement is heating, followed by air conditioning.