控制部份采用电子及电气元件，执行机构为气动。
Electronic and electrical components are used for the controlling parts and pneumatic ones for the actuators.
一副牌，最底的部份是最容易控制需要的牌在那些位置，不论用拿牌法或其它洗牌法。
A deck of CARDS, the bottom part is most easily control card in those positions, no matter take a card or other shuffle method.
在大部份时候，控制器是一个委托且可以实作各种委托协议，以便可以接收来自多个物件的事件。
In many cases, a controller is a delegate and can implement several delegate protocols to receive events from multiple objects.
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