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。

youdao

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。

youdao

Actually, it's more accurate to say that it's 95 percent BlackJack and 5 percent improvement, with a more inward-slanted, square d-pad that makes it considerably harder to accidentally hit the surrounding controls, and angled keys that offer an embedded numeric pad in the proper configuration (we appreciate what Samsung tried to do with the original BlackJack's every-other-key layout, but in practice, it just didn't work out).

ENGADGET: Hands-on with the Samsung ACE Mobile