The third bold section contains code for handling database failover and connection switching.
第三段加粗的代码用于处理数据库故障转移和连接切换。
2
Section 5 provides an overview of switching by signal type.
第5章根据信号类型概要介绍了信号的切换。
3
High impedances are being switched, so some of the same switching techniques used when switching low current (Section 5.3.1) and high impedance voltages (Section 5.2.3) are equally applicable here.