Because the three switches in an alarm switch are in different states, the entire device is in three different functional pre-warning states.

由于报警开关中三个开关分别处于不同状态，因而使整个装置处于三种不同功能预警状态。

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For additional redundancy, the two central switches each have two Gigabit Ethernet-trunked connections to three more CoreBuilder 9000 switches.

CNN: Gigabit Ethernet meets Van Gogh at Christie's

When customs officials held up a consignment of switches from Alcatel, under the pretext of "improper paperwork, " Roshan scooped up letters from the ministries of communication, finance and commerce--and got the switches three days later.

FORBES: A New Calling

Three fingers swipe switches application.

FORBES: Apple: Live From The WWDC; OSX Lion, iOS 5; iCloud