If the user does not have appropriate credentials, display a message box or some other user interface indicating that they do not have access, and return to the initial TAB.

如果使用者没有适当的认证，则会显示讯息方块或其他使用者介面，表示使用者没有存取权限，并返回最初的索引标签。

youdao

After you've defined your Tab order, you'll need to ensure each initial component will receive focus when its container is selected.

在定义了跳格顺序之后，您需要确保每个初始组件都在选中其容器时接收到焦点。

youdao

Setting the Tab order and initial focus

设置跳格顺序和初始焦点

youdao

In this case, this is one of the articles, in fact this was today's reading, I got here a little early so it was this particular article was assigned for today and-- but what shows up when you click on the initial tab is just the abstract of the article not the whole article itself.

例如这是其中一篇,实际上这是今天的资料,我今天到的比较早,所以把它放了上去,这是今天布置的文章,但当你们点击初始的按键时,只能看到文章的摘要而不是全文

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As advertised, initial loading is quasi-instant, and navigation, zooming and tab switching seemed smooth as well, even on the two-gen-old phone.

ENGADGET: Native Firefox Android browser adds speed, Flash, HTML5 and a fresh look (hands-on)