如果您需要的功能，您可以买一个简易无线雷达版本，它允许的。

If you need that feature, you can buy a version of Easy WiFi Radar that allows that.

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对于前两种情况，你只能用简易型音频或视频无线器来演示文稿，这时你需要一份打印稿。

For the first two, you may have no choice but to go with an av free presentation, so have a printed copy of your notes with you.

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拥有丹佛斯无线CF 2，控制板供暖很安全、安装简易并且经济有效。

Controlling floor heating is now safe, easy and cost-effective with the Danfoss 'wireless CF2.

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