These movements are controlled by the trainer with the metal-pointed stick.

训练员要用有锋利金属尖的长棒控制它的这种举动。

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The stream of positive particles that meets the surge of electrons from the cloud often arises from a tall pointed structure such as a metal flagpole or a tower.

来自云层的电子流与正粒子流相遇，而这些正粒子流通常来自于高而尖的结构，如金属旗杆或塔。

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"Essentially, if you pointed the camera directly at the metal keypad, it would show you the thermal fingerprint of you, the camera operator, rather than of the keypad itself," Meiklejohn says.

“基本上如果你把摄像头直接对准金属键盘，它会显示出你——摄像机操作者的指纹，而非键盘上的，”Meiklejohn说。

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" Or the officer's epaulets, circa 1820: "embroidered with gilt-metal thread in scrolling foliate designs, six-pointed silver metallic stars and gilt-brass buttons.

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Mark Leibovit, chief market strategist at VR Gold Trader.com, pointed out that a precious metal exchange-traded fund that he watches, ETFs Physical Swiss Gold shares (SGOL), put in a key reversal.

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