This information may be supplemented by a series of calculations that estimate the volume of wheat arriving in Shanghai by junk.

这个信息也许是对一系列的计算——评估了通过舢板运往上海小麦的数量——有所补充。

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They determined this range by using Magellan data to estimate the volume of the lava flows in the hot spot regions.

他们通过使用麦哲伦航天器的数据去估计火山活跃地区熔岩流的体积，最终确定了这些熔岩流的时间范围。

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Estimate the test data requirements and identify ways of creating an adequate volume of valid test data for volume and load testing.

估算测试数据需求并确定创建足够的有效测试数据量以进行容量和负载测试。

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This has enabled scientists to estimate the volume of water in the ice cap and speculate that much of the planet's original water is either hidden below the surface or missing.

BBC: By BBC News Online Science Editor Dr David Whitehouse

They also look very similar to the simulations coming out of Piomas (Pan-Arctic Ice-Ocean Modelling and Assimilation System), an influential computer model that has been used to estimate Arctic sea-ice volume and which has been the basis for several predictions about when summer sea ice might disappear completely.

BBC: Cryosat spots Arctic sea-ice loss in autumn

However, there could be about 10% upside to our price estimate for Nasdaq if the daily volume of options contract traded in U.S. exchanges increased to 27 million by 2017 because of the proposed bill.

FORBES: Big Upside For Nasdaq If Regulators Push Derivatives Onto Exchanges