微波：振动千兆赫兹或以上的电磁波。它是卫星通信及地面上的即时影像传送系统的播送频率。

Microwave: An electromagnetic wave that vibrates at 1GHz and above. Microwaves are the transmission frequencies used in communications satellites as well as in line-of-sight systems on earth.

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不过，SL有个把即时讯息传送到电子邮件地址的功能，让系统可以把离线讯息直接传送到您帐号的电子邮件地址。

However, there is an IM to Email feature, which sends offline messages directly to the mailbox connected to your account.

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