Input Mode: contact switch, proximity switch, Hall switch and photoelectric switch.

输入方式：触点开关，接近开关，霍尔开关，光电开关。

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Integrated Hall switch sensor is one kind of magnetism-sensing switch based on Hall effect.

集成开关型霍耳传感器是一种基于霍耳效应的磁敏开关。

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Bipolar Hall Switch Sensor magnet polarity is no need to distinguish, with great flexibility and convenience.

双极性开关型霍尔传感器则无须判别磁体极性，具有很大的灵活性和方便性。

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Like former team-mate Lee Smith, Hall has been tipped for a switch to rugby union but sees his immediate future in the 13-man game.

BBC: Ryan Hall signs new contract with Leeds Rhinos

Sublime back-play seemed doomed to failure confronted by a solid defence - but Evans and Jordan Turner-Hall executed a lovely loop-switch that released Monye to score on the left.

BBC: Harlequins 26-13 Northampton

Not everyone's happy with the switch to paper, but Brunner told a town hall meeting in Akron this week that she's trying to avoid another voting meltdown.

NPR: Ohio's New Voting System Revs Up for Primary