You can use a mouse or the keyboard left and right arrow keys to scroll with the bar, and you can display the rest of the header information for calendar entries.

可以使用鼠标或键盘的左右键控制滚动条进行滚动，以显示日程表条目的标题信息的其余部分。

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Also, the tree's header must be set as visible (line 21) for the column's headers to display.

而且，树的标题必须设置为可视的(第21行)，以显示列的标题。

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For example, forms should display a clear and simple header along with related sub-headers.

比如，表单应该有一个清晰简单的标题和一些相关的子标题。

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South Africa should have punished Brazil for a lacklustre display but Mokoena put a free header over from six yards.

BBC: Brazil 1-0 South Africa

Yiannis Okkas claimed two close-range goals in a fine display, while a Konstantinos Charalampidis header from another set piece finished Wales off.

BBC: Cyprus 3-1 Wales