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。

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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。

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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.

由于切换的是高阻抗，所以切换小电流(5.3.1部分)和高阻抗电压(5.2.3部分)时采用的技术也同样适用。

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Australia, playing in the Asian section for the first time since switching from Oceania meet China, Iraq and Qatar in group one.

BBC: England to face Croatia rematch