• 出现有“海相”沟鞭藻、有孔虫钙质化石由于当时湖泊咸化养料造成的。

    The presence of the "Marine" Dinophyceae, foraminifera and calcareous ultramicrofossils are attributed to the salinized lakes and abundant nutrients.

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  • 通过热电偶测温和火焰单幅照相技术测试燃料推进剂燃烧温度分布燃烧火焰结构

    The combustion wave temperature profiles and flame structures of fuel-rich propellant containing boron are measured by using W-Re micro-thermal couple and flame photo technique.

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  • 滚筒式采矿起伏不定地形上切削海底结壳开采要求确定切削厚度

    When the Rotary cutting Drum for mining Cobalt-rich Crust is working on the fluctuant microtopography of sea floor, it's necessary to determine the cutting depth according to the mining requirement.

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  • 上部为中薄层状含石膏质夹层的泥质泥晶灰岩白云岩组成的回性清楚蒸发潮坪层序

    The upper part is a set of evaporite quasi-tidal sequence with clear cycles which is made up of middle-thin-bedded, gypsum-bearing muddy limestone and dolomicrite.

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  • 上部为中薄层状含石膏质夹层的泥质泥晶灰岩白云岩组成的回性清楚蒸发潮坪层序

    The upper part is a set of evaporite quasi-tidal sequence with clear cycles which is made up of middle-thin-bedded, gypsum-bearing muddy limestone and dolomicrite.

    youdao

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