所谓“节点”是指通信传送网络中的交叉连接点,业务分插的交汇点,网络管理系统的切入点,信号功率的放大点和传输中的数字信号的再生点。课堂教学也好比通信网络,有教学板块的连接点,师生情感的交汇点,重难点破解的切入点,知识技能价值观的达成点等。 The so-called “node ” refers to the cross-connection point in the communication transport network, the point of convergence of the service substation, the entry point of the network management system, the amplification point of the signal power, and the regeneration point of the digital signal in transmission. Classroom teaching is also better than the communication network, the connection point with the teaching plate, the intersection of teachers and students’ emotions, the entry point of heavy and difficult to crack, the reach of knowledge and skill values.