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When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid...

在构造减压带,铅锌配合物或被有机质还原而沉淀富集。

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dihydroergotamine, dihydroergotoxine, dihydroerysodine, dihydroerythroidine, dihydrofarnesol, dihydroflavonol, dihydrogalanthamine, dihydrogingerol, dihydroindole, dihydroketoacridine,

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3G, 401(K), a,

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BBC 听力 2013年12月合集

One of the Frac's leaders, Ivan Marquez says the group is making urgent appeals not only to the Argentine star but also to the Brazilian football star Romario to play for their side.

FARC的领袖伊凡·马奎斯说该组向这位阿根廷呼吁,还呼吁了巴西足罗马里奥加入到自己一边。

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BBC 听力 2015年12月合集

But the government and FRAC hope to sign by March 2016.

但双方希望在年3月之前签署。

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dihydroxy-arsenobenzene, dihydroxy-azo-benzene, dihydroxycholecalciferol, dihydroxydiphenylhexene, dihydroxyphenyl-1-propanone, dihydroxyphenylalanine, dihydroxyphthalophenone, dihydroxypropanone, dihydroxypropyltheophylline, dihydroxypropyltheopylline,

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3G, 401(K), a,
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