The program also provides lock controls for the numeric pad and scroll lock functions.
程序也提供锁控制对数字小键盘和纸卷锁功能来说。
Some controls reject any keystrokes other than the numeric digits 0 through 9. Other controls reject Spaces, tabs, dashes, and other punctuation in real time.
有些控件除了0 ~9几个数字以外拒绝任何其他形式的输入，还有些控件实时地拒绝空白键、标志符、破折号和其他标点符号。
Some controls reject any keystrokes other than the numeric digits 0 through 9. Other controls reject Spaces, tabs, dashes, and other punctuation in real time.
有些控件除了0 ~9几个数字以外拒绝任何其他形式的输入，还有些控件实时地拒绝空白键、标志符、破折号和其他标点符号。
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