所以我们如何开始交换开启人际关系的钥匙呢？

So how do we begin this process of exchanging keys?

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swapon(它的同类swapoff)用于开启文件系统/设备上的交换分区，显示目前使用交换区的状态。

swapon (and its sister swapoff) is used to start swap on files/devices, and display status of currently used swap areas.

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开启箱顶排气阀可使工作室温之冷空气得以对流交换，温度控制采用数字显示仪表自动恒温调节。

The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.

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