In this paper, a kind of variable metric fast second order nonlinear optimization algorithm is proposed, where a second order interpolating method is used in the optimization of learning rate.

神经网络的辨识采用变尺度二阶快速学习算法，利用二阶插值法来优化搜索学习速率。

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Second, he looked at these people and measured how fast they walk from where their experiment was to the elevator.

第二，他观察这些人,记录他们从实验地点,走到电梯的时间。

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A second finding building on the first is that we form impressions very fast, very quickly, and this is a literature known as "thin slices."

根据第一个发现，我们有了第二个发现,那就是第一印象形成得非常快，有一部文学作品叫《薄片》

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The second thing is that this is still not lightening fast.

第二，发光的速度还不是很快。

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And fast or the second-seeded Knicks will spend the rest of this series playing catch-up.

WSJ: Knicks barely avoid low-scoring record in Game 3

Comcast plans to offer ten times that speed, and Google has promised trials of blazing-fast one gigabyte per second fiber-to-the-home connections.

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The launcher shoots the bottles at a velocity of 984 feet per second, fast enough to smash a double-layer breeze-block wall and allow assault troops to enter a building, according to the manufacturer, BCB International.

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