R PG程序更新通过键访问的行之前，必须执行一个读操作，以便锁定该行，进行更新。
Before an RPG program updates a row accessed by a key it must perform a read operation to lock the row for update intent.
人们还希望无须触动应用程序主窗口就能直接访问命令窗口，并能用tab键在各屏幕间切换以找到他们所需的信息。
oPeople also expect to be able to access command windows without interfering with the application's main window, and to be able to tab through various screens to find the information they need.
这个模型在iPhone或iPod设备上是很有用的，因为按钮选项卡可以提供一系列应用程序快捷键来访问应用程序功能。
This model is useful for an iPhone or iPod device, where a button tab provides a series of shortcuts to reach application functions.
两个应用程序(App1和App2)正在访问名为“AccountBal”的Backingmap中的数据，Account Bal中包括帐户余额并使用帐户编号(一个四位数的数字字符串)作为其键。
Two applications (App1 and App2) are accessing data in a Backing Map called "account bal," which contains account balances and USES the account number (a four-digit numeric string) as its key.
对于此应用程序来说，URL作为键来服务(从Web服务器访问日志摄取)。
For this application, the URLs serve as the keys (as ingested from the Web server access logs).
对于此应用程序来说，URL作为键来服务(从Web服务器访问日志摄取)。
For this application, the URLs serve as the keys (as ingested from the Web server access logs).
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