The guarded switch can be used in all the topologies presented.
为获得更高的性能，可采用驱动保护同轴电缆进行“点-点”配线。
The hardest part of designing a properly guarded switch is to fit all the traces on the board and maintain proper voltage spacing.
设计一个合适的保护开关的最难点是适合印制板上的所有布线，并保证适当的电压空间。
One space tourist (whose identity is closely guarded) forgot to switch on the vacuum in the ISS toilet before off-loading. The results were disastrous, and the chamber was splattered with feces.
曾有个太空游客(身份严格保密)在空间站如厕时忘记打开真空吸入管，结果太可怕了，整个厕所都是喷溅的排泄物。
One space tourist (whose identity is closely guarded) forgot to switch on the vacuum in the ISS toilet before off-loading. The results were disastrous, and the chamber was splattered with feces.
曾有个太空游客(身份严格保密)在空间站如厕时忘记打开真空吸入管，结果太可怕了，整个厕所都是喷溅的排泄物。
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