【单选题】下列关于协调器的描述中,不正确的是( )。
A.
协调器可以用来协助建立网络中的安全层和应用层的绑定。
D.
协调器是每个ZigBee网络的核心设备,可启动整个ZigBee网络。
【简答题】What was the woman's motivation to learn the language? 2. How did the man learn new vocabulary? 3. Which language did the man learn in high school? 4. How did rehearsal help the woman? 5. Finally what...
【单选题】We cannot _________on his help.