How to build a single-value checkbox?

如何构建一个单一值的复选框？

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Single-value annotations are similar to markers, but provide a single piece of data.

单一值注释与标记注释类似，但提供一段数据。

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A single value sets repeated tabs at that interval.

设置一个单一值，它将以此为间隔设置重复的制表符。

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The value of stock for the Montgomery Ward store dropped from eighty-three dollars to fifty in a single day.

VOA: special.2011.02.17

Right now the total value of single-family homes in the United States is about twenty trillion dollars and the market has been becoming increasingly speculative.

如今,美国家庭的,房产总值,接近2万亿美金,而且,市场变得越来越投机

耶鲁公开课 - 金融市场课程节选

float So thus far, when we've defined -- declared an int and a float, 2 and so forth, we just put one value in there, the number 2, the number 3.14, just one single value.

至此，当我们定义--声明一个int，和一个，等等，我们只要在那里放置一个值，数字，数字3，14，只有一个值。

哈佛公开课 - 计算机科学课程节选

Double-track rail would have a low value, and single-track sections a high value.

FORBES: Magazine Article

The single-minded pursuit of shareholder value, measured over the short term, has been enormously destructive for strategy and value creation.

FORBES: Michael Porter on Why 'Best' Isn't the Right Goal

In the early 1990s, manufacturers began to see the value of single enterprise-wide resource planning solutions that integrated manufacturing, logistics, distribution, inventory, shipping and accounting.

FORBES: Product Lifecycle Management: A New Path To Shareholder Value?