The operational principles of the PIN switch is introduced.

首先介绍了PIN开关的基本工作原理。

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The importance of reliability for PIN switch speaks for itself.

可靠性对于PIN开关的重要性是不言而喻的。

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When the pin switch is pushed on, the handle and the tool bar form into an integral structure, which can be used as a common screwdriver.

回拧时，将销子开关推上，刀柄和刀杆形成整体，作为普通螺丝刀使用。

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In other words, the PIN-pad switch seems to require an extra dose of hacker chutzpah.

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Did Apple decide to switch from its already widely used 30-pin dock to the new 19-pin one so that it could cash in on people buying adapters?

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It's hard to pin down exactly how many millions are going to former insurgents to switch sides, but Macgregor argues the result is artificial progress.

CNN: Surge or splurge in Iraq?