The scratch-and-win specialist marks the keys with printed codes and covers them with a special scratch-off layer (thermochromatic or other security inks could be used).
刮奖专家以印好的编码作为标记，并在上面覆盖一层可以挂掉的特殊涂层（可以使用热变色油墨或其他安全油墨）。
The mappings between keys and key codes are device and operating system dependent. ASCII values, on the other hand, are available in the ActionScript documentation.
在键和键代码之间的映射是依赖设备和操作系统。ASCII值，在另一方面，在AS文档中是可用的。
Some frameworks also provide a series of standardized key codes that represent keyboard-based events (such as hitting the Escape key, Return key, cursor keys, and so forth).
有些框架还会提供一组标准键盘代码来表示基于键盘的事件(如按下escape键、return键、光标键，等等)。
Do the security guards have keys and codes to all locks and alarms on doors, Windows, gates, fences, etc?
保安人员有所有门锁或者门上的警报，窗户，大门，护栏等的钥匙或者密码吗？
Do the security guards have keys and codes to all locks and alarms on doors, Windows, gates, fences, etc?
保安人员有所有门锁或者门上的警报，窗户，大门，护栏等的钥匙或者密码吗？
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