Focus and selection state are broadcast through a property.

焦点和选择状态通过一个属性传播。

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Students should be able to make a selection from a range of reference materials and focus their attention on one of them.

学生要能从多种参考资料中作出选择，把注意力集中在其中一种上。

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Selection and focus state can be returned, and a slider control is provided to throttle how many tags are shown.

该组件可以返回选择和焦点状态，并且提供了一个滑块控件，以便控制显示的标记的数量。

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It serves consumers through its retail websites with a focus on selection, price, and convenience.

FORBES: #8 Amazon.com

This feature enables fine-tuning of the focus in macro, composition selection when shooting, and exposure adjustment all without looking away from subjects.

ENGADGET: Olympus Stylus XZ-2 is a digital compact stuck in a mirrorless camera's body, we go hands-on

Many committees choose to focus on asset allocation strategy and high level oversight and delegate the implementation and manager selection to an internal investment office or an outside advisor.

FORBES: CIO Outsourcing: Questions Investment Committees Need to Ask