Whereas for fluorine, fluorine is smaller than f minus is the one that's the outer shell shown here.
而对于氟来说，氟原子更小,与外部壳层在这的负一价氟离子相比。
F. shell is made of high strength aluminum alloy material, resistant to strong collision and impact resistance.
外壳选用高强度铝合金材料，具有抗强力碰撞和冲击能力。
Shell has decided to restate financial statements in the 2002 Form 20-f, which is to be amended.
壳牌已经决定调整2002年20 - F表中的财务报告内容，并将对报表本身进行修改。
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