BAS代表()系统。
参考答案:建筑设备自动化
多媒体技术的主要特点是
A.实时性和信息量大
B.集成性和交互性
C.实时性和分布性
D.分布性和交互性
Is this the reason ___ at the meeting for his carelessness in his work?
A.he explained
B.what explained
C.how he explained
D.why he explained