There are 3 types of estimates according to the accuracy of estimate: order-of-magnitude estimate, budget estimate and definitive estimate.

按照估算的精确度范围可以将估算分为3大类，量级估算、预算估算和确定性估算。

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Finally, depending on the robustness and verifiability of the assumptions made, there is a margin of error attached to those two types of estimate themselves.

最后，在鲁棒性和可核查的假设作出的不同，有一个连接到自己的估计，这两类误差。

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For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.

例如，一个公司也许能够准确地估计它将销售的鞋子总数，但它可能不确定哪一种特定类型的鞋子将比其他类型的鞋子卖得更多。

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Data gathered from the two different types of scans was then analysed and researchers were able to estimate dopamine release.

BBC: Music 'releases mood-enhancing chemical in the brain'