... ray center 射线中心 ray representation 射影表示 ray 半直线 ...
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... ray optics光线光学 ray representation射线表示 ray surface光线速度面 ...
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complex-ray representation 复光线表示
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MPs who urged a No vote (Allan Rogers, Sir Ray Powell and Denzil Davies) have vowed to get proportional representation taken out of the scheme altogether.
ECONOMIST: Wales
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