Controls like text fields, pick lists, or scrollbars are used to select specific values rather than merely trigger single actions.

像文本字段、选择列表或者滚动条这样的控件还用于选择特定的值，而不仅仅是触发单个动作。

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Note that the trigger option controls whether what has been selected by the other trace properties is produced as normal or whether it is blocked.

注意，触发选项控制其他跟踪属性已经选择的跟踪数据是正常生成，还是被阻塞。

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Similarly, OO programming languages let you define controls to trigger specific behaviors from an object.

同样，面向对象编程语言让你定义控制件，从对象来激发特定的行为。

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Above each platter is a set of eight MPC-style trigger pads and some rotary controls for FX and filters.

ENGADGET

Analysts caution that a sharp rise in prices would likely trigger a return of strict controls by the government.

WSJ: Income-to-Housing Price Gap Narrows in China

First and foremost is the 180-degree swiveling LCD, which, like Samsung's MultiView flavor, flips all the way forward to simplify composition for self-portraits, but it also offers some nifty gesture controls, letting you wave briefly to trigger a two-second countdown, for example.

ENGADGET: Casio joins the self-portrait LCD ranks with the ��350 Exilim EX-ZR1000, we go hands-on (video)