但是，最近史密森学会却公布了20万张野生动物影像，这些影像是用隐藏在全球各地森林、丛山和热带稀树草原的自动相机拍摄到的。

But the Smithsonian Institution recently released more than 200,000 wildlife images captured by automated cameras hidden in forests, mountains and savannas across the globe.

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但是，最近史密森学会却公布了20万张野生动物影像，这些影像是用隐藏在全球各地森林、丛山和热带稀树草原的自动相机拍摄到的。

But the Smithsonian Institution recently released more than 200, 000 wildlife images captured by automated cameras hidden in forests, mountains and savannas across the globe.

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其次，我们基于隐藏式马尔可夫模型与影像讯号提出了一个新的通道衰落预测方法。

Secondly, we propose a new method based on hidden Markov models and video images to predict channel fading.

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