Black metal spheres have also been added, to create right amount of density to act as a counterweight to the glass orbs.

同时添加了黑色金属球体，适当的密集度为玻璃球体增加质感。

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And Tokyo might act as a counterweight to Washington in sensitive areas such as pharmaceuticals.

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It is the job of independent directors to act as a counterweight to management and help protect shareholder value.

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Still, Mr Talabani's Kurds may want Mr Allawi in to act as a counterweight to the UIA's pushier elements.

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