但这些预测都假定企业利润将呈V形复苏，这将是上世纪80年代出现“营运利润”这一会计项目以来，企业利润的最快速回升。

These expectations, however, assume a V-shaped profit recovery that would be the fastest since the advent of the use of 'operating' earnings in the 1980s.

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不过，在20世纪80年代，古生物学者发现了完整的牙形刺化石标本，而直到最近科学家们才开始揭露出它们的秘密。

In the 1980s, however, paleontologists found full fossilized conodont specimens, and only recently have scientists begun to unravel their secrets.

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第三代纯碱专用“O”形球阀是上海费希尔公司开发的高性能纯碱行业专用阀。

The third generation of "o" type ball valve for soda was special high performance valve for soda developed by Shanghai Fisher valve.

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