Network virtualization allows the network to be reconfigured on the fly without any need to touch a single cable or device.

网络虚拟化允许动态地重新配置网络，而不需要接触任何线缆或设备。

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We fly with him to the United States and see it, as he saw it, with envy and a touch of disbelieving mockery.

我们随着他飞往美国，从他的眼中观察美国，带着一丝羡慕和不令人信服的嘲笑。

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Oil also allows cool water to get past the birds' wet suit-like feathers and touch skin, compromising the pelicans' thermal regulation and making it harder for them to fly and dive for fish.

同时，油污还会使冰冷的海水直接穿透鹈鹕紧身衣似的羽毛层，与皮肤相接触，危及它们的热调节系统，让它们很难飞起来，也无法潜入水中捕鱼。

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Chris Malone's boot kept Quins in touch, the fly-half kicking 19 points.

BBC: Scarlets 22-29 Harlequins

The left wing gathered his own chip-ahead and stepped past O'Gara before offloading to the supporting Phil Godman, but the fly-half was thundered into touch by a retreating Brian O'Driscoll just a few metres short of the Irish line.

BBC: Scotland 15-22 Ireland

They needed a quick score in the second half and got one thanks to some sloppy work from Nick Williams, who failed to deal with a Humphreys kick to the left corner which allowed the Ulster fly-half to run up and touch the ball down.

BBC: Ulster 30-6 Aironi