Now go to the properties for the three buttons above the table.

现在，转到表上面三个按钮的属性。

youdao

Leave the default values for the rest of the fields and proceed by clicking one of the three buttons at the bottom of the screen.

保持其他字段的默认值，单击屏幕底部的三个按钮之一。

youdao

The following row of the form's table contains three radio buttons (see Listing 12).

表单的表格的下面一行包含了三个单选按钮（见清单 12）。

youdao

So, we approached this machine here, the photograph is a little blurry, but it was very clear to us but if you zoom in on the screen and apologies for the reflections, again, this was just taken with my cell phone, you see what appear to be three huge buttons and at the top it said something like have a Charlie Card, which may very well apply to a lot of locals.

所以，我们走近这个机器，这个照片有点模糊，但对于我们来说是清楚地,如果我把它在屏幕上放大，我对这个影像感到抱歉,但是，这是用我的手机拍的,你们可以看到这里上面有三个很大的按钮,写了一些关于Charlie卡片的东西，对本地人来说是相当熟悉的。

哈佛公开课 - 计算机科学课程节选

The Xperia T places the three Android buttons at the bottom of the 4.55 inch capacitive screen.

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The semi-touch screen is also an interesting variation on the usual touchscreen style, with tactile buzzing feedback when one of the three touch buttons on the external screen are pressed.

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The player also doesn't make the most of potential screen real estate, due to the three large buttons and Philips logo taking up roughly a quarter of the its face -- an odd choice, given the GoGear's touchscreen.

ENGADGET: Philips GoGear 3 Android PMP hands-on (video)