1 HVAC&R 暖通空调制冷 (heating, ventilating, air conditioning and refrigeration )
Ventilate vt.使通风, 通风;公开; 公开讨论 refrigeration 制冷;冷藏;冷冻
2 Costs are coming down for a variety of reasons, including greater competition resulting from open protocols and the evolution of distributed systems, lower cost computing, and easier-to-use software configuration tools. 成本正在下降的原因有多种,包括更大的竞争开放的协议和分布式系统的演变,更低的成本计算,和更容易使用的软件配置工具。
Protocol (数据传递的)协议 software configuration tools 软件组态工具
3 The key to real