Top of Page. Customize a list box or a combo box. With the form open in Design view, ensure that the list box or combo box is selected, and then press F4 to open the property sheet for the control.

如果安全处理器无法正常工作，可以选择安全处理器疑难解答链接以查看任何错误消息和高级选项。有关详细信息，请参阅： 安全处理器疑难解答。 安全启动. 安全启动可阻止复杂和危险的恶意软件类型（Rootkit）在你启动设备时加载。Rootkit 使用与操作系统相同的权限并且在操作系统之前启动，这 ...

Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

打开“开始”菜单。 ... 若要打开“开始”菜单（其中包含你的所有应用、设置和文件），请执行以下任一操作：

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

请确保设备驱动程序为最新版本，并且为无线显示器或适配器安装最新固件（请参阅制造商网站上的“支持”信息来获取说明或搜索 Microsoft Store 的制造商应用来帮助你）。

Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.

Windows Media Player is available for Windows-based devices. Use this table to find the right version of the Player for your system. (If you've got a Mac, you can download Windows Media Components for QuickTime to play Windows Media files.)

Find out how to use a USB flash drive with your Xbox 360 console so you can have up to 2 terabytes of space available.

运算符用于指定要对公式中的元素执行的计算类型。 Excel 遵循一般数学规则进行计算，即括号、指数、乘法和除法以及加减法或首字母缩略词 PEMDAS (请原谅我亲爱的阿姨 Sally) 。 使用括号可以更改该计算顺序。 计算运算符分为四种不同类型：算术、比较、文本连接和引用。