Properties files are flat - they don't offer any sort of nesting or grouping of keys - but you can pseudo-nest your keys by creating dotted names with identical prefixes.

属性文件是平面文件—它们并未提供任何形式的键嵌套和分组—但是您可以通过创建具有相同前缀的带点名称来对您的键实现虚假嵌套。

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Your keys must be mode 0600 or mode 0400.

您的密钥的模式必须为0600或0400。

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Remember that you need to press a letter key or keys to trigger the rocket motion; depending on your computer's speed, you might experience a slight delay before the rockets appear.

记住，您需要按一个或多个字母键来触发火箭运动；根据您的计算机的速度，您可能在火箭出现之前会感觉到一点延迟。

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There were demonstrations that allowed you to play music on headphones, test if products were genuine or counterfeit, or that let you replace your car keys or your house keys with just your phone.

WSJ: Is NFC Finally Becoming Mobile's Next Big Thing?

Go ahead and navigate to where your Atari 2600 ROMs are by using the mouse or the arrow keys on your keyboard.

ENGADGET: How to set up your Raspberry Pi to play Atari 2600 games

Sensors and microchips could be applied to your bag or jacket pocket and remind you to take your umbrella with you if the forecast is for rain or not to forget your house keys if you are leaving the house.

CNN: Future dress code: Very smart