为了适应高炮火控系统训练模拟器(以下简称训练模拟器)的需要，研制一种适合训练使用的专用键盘。

In order to adapt to training simulator of antiaircraft fire control system. The paper develops a special keyboard for training.

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带有大按键和数字专用行的它毋庸置疑是所有Android设备中最佳的硬件键盘。

With it's large keys and dedicated row for number keys, it is arguably the best hardware qwerty on any Android device.

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m序列引用“Meta”键(某些键盘上的专用键，或者通常为alt键或escape键)。

The \ m sequence refers to the 'meta' key (special on some keyboards, or usually the Alt key or the Escape key).

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