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地球化学基准
释义
地球化学基准
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理学
矿产勘查地球化学
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geochemical baselines
地球化学基准
按照统一的基准网格、采集有代表性的样品、使用国际公认方法或标准获得化学元素及其化合物的含量数据,并以基准地球化学图的形式表示元素的空间分布,用含量数据和分布图件共同作为了解地球化学过去的演化规律和预测未来变化趋势的定量参照标尺。
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asymptotically efficient estimator
asymptotically equal
asymptotically equal functions
asymptotically equal sequence
asymptotically equivalent
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asymptotically equivalent sequence
asymptotically flat
asymptotically flat manifold
asymptotically flat metric
asymptotically flat space time
asymptotically flat spacetime
asymptotically minimax estimate
asymptotically negligible condition
asymptotically normal
asymptotically normal distribution
asymptotically normal estimate
asymptotically normally distributed estimator
asymptotically optimal
asymptotically optimal estimate
asymptotically optimal sequence
asymptotically proportional sequence
asymptotically stable
asymptotically stable equilibrium
asymptotically stable point
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