This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
* 意义
* 衡量空调的性能，再附录一中有规定，对于A级和B级区，短时间自净后，需要达到静态的标准
* 评估应急情况下，如停电、空调故障时，采取应急措施的依据
