Which of the following is NOT mentioned about scientists in

Which of the following is NOT mentioned about scientists in earlier times?

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The money which enables these companies to continue their pr

The money which enables these companies to continue their projects is_____

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某土层及其物理指标如图3—2所示,则砂岩顶面处的自重应力最接近(  )kPa。

某土层及其物理指标如图3—2所示,则砂岩顶面处的自重应力最接近(  )kPa。

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