We were only able to make a rough estimate of how much fuel would be required.
我们只能对所需燃料的量作一个粗略估计。
Charles Lyell made a good estimate of the Tertiary Period from the fossil record, but his method could not be extended to earlier geological periods.
查尔斯·莱尔根据化石记录对第三纪作出了很好的估计，但他的方法不能扩展到更早的地质时期。
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。
Some analysts estimate that food production will need to be raised by 50 percent to maintain current levels.
一些分析人士预测，粮食产量需要提高50%才能维持目前的水平。
75 billion that Capgemini consultants estimate it will take to convert all their registers to be chip-and-PIN-compatible, the potential liability they now face is dramatically greater.
据凯捷咨询公司估计，他们需要750亿才能将所有寄存器转换成芯片和 PIN 码兼容型，因而他们现在面临的潜在债务剧烈增长。
The penetrameter test data that may be directly transposed to estimate the bearing capacity of the shallow footings.
可直接将渗透试验数据转换为浅层地基承载力的估算方法。
Censuses and surveys can be used to estimate population Numbers, but do not provide information on causes of death.
可通过普查和调查来估算人口数量，但这无法提供死亡原因信息。
If the net effect on economic activity is unlikely to be as large as bodies like the FSB estimate, are official calculations any closer to the truth?
如果对经济的净影响不像小企业联合会估计的那么大，那官方的计算会不会靠谱一点呢？
Giant star S106IR lies near the waist of the hourglass. Astronomers estimate the star could be up to 15 times more massive than our sun.
巨星S106IR位于沙漏的束腰位置，天文学家估计该恒星的质量可能是我们太阳质量的15倍。
We will use the resource performance information on the running server to be able to estimate the hardware for the cluster.
我们将使用该服务器上的资源性能信息来评估集群的硬件。
That could prove to be a conservative estimate, as the economic slowdown begins in earnest.
随着经济急剧的下滑，这只是个保守的估计。
When you sign up for an account to process credit CARDS on your phone, you'll be asked to estimate how much business you plan on generating through credit CARDS.
当你签约在手机上开通信用卡处理账号，你应该评估你打算通过该信用卡做多少业务？
How long do you have to be around a person to see him, to estimate how good a lecturer that person is?
你要看一个人多久，才能评估出他讲课有多好？
Disturbingly, the figures are likely to be a conservative estimate, because scientists have insufficient data on 836 species to even classify how threatened they are.
然而令人不安的是，这些数字很可能只是一个保守的估计。因为科学家们对哺乳动物中的836个种类还缺乏足够的数据，甚至无法按照它们受威胁的程度来归类。
We estimate there to be 4, 000 yuan billionaires in China, with only a third making the Hurun Rich List.
我们估计有4千个以人民币计算的10亿富翁，而这只在胡润榜单上位列第三位。
type of waves can be used to estimate distance to the epicenter.
通常，波长较短传播较慢—但是破坏性要大的多—的S波会随之而来。 通过这两种波到达时间的差值可以估算震中的距离。
Taking all this into account，what might we reasonably estimate supermarkets to be like in the year2001?
考虑到所有这些因素，我们可以适当地估计一下2001年的超级市场将会是什么样子呢?
If you manage your project from a good plan — and an integral part of that plan is a good estimate — there is going to be significant cost savings.
如果您采用一个好的计划管理您的项目——其中一个完整的部分就是一个好的评估——那么您将能够节省大量的开销。
Our model can be used to estimate the magnitude and effect of other major impacts in Earth's past.
我们的模型可以被用于估计地球过去历史上曾有撞击的范围和影响。
Be flexible: Before agreeing to a deadline, estimate how much time this project will eat... And add half that to the result.
富于弹性：在同意一个截止日期之前，估计一下这项目会吃掉多少时间…然后把这个时间增加一半。
Historic usage patterns and trends allow an IT manager to estimate when resources should be added and how many resources will be needed.
历史使用模式和趋势使IT经理可以估计何时应该添加资源以及需要多少资源。
If coverage is measured throughout the lifecycle of the product, it is easier to estimate the amount of testing that remains to be done, which in turn helps to make the schedule predictable.
如果覆盖率是通过产品的整个生命周期内测量的话，估计剩余需要做的测试的量会更加容易，反过来这又让日程表变得可以预测。
However, some teams prefer to first assign an owner for each task to be able to estimate according to the team members' skills.
但是，有一些团队更喜欢首先为每一项任务分配所有者，以便能够根据团队成员的技能情况进行估计。
And, since individual Cepheids are bright enough to be seen in other galaxies, they were the first tool used to estimate the distances to such galaxies.
且由于在另一个星系中的单颗“造父变星”的亮度就足于使其被观测到，所以它们是测算类似星系距离的首选工具。
The purpose of the WAG generator is to provide the estimator with a rough and ready estimate that may be accurate enough to make decisions in the absence of time consuming analysis.
WAG生成器的目的是为估算者提供一个粗略可用的估算，这估算在缺乏耗时分析时也许足够精确以做出决策了。
This data model is used by the optimizer to estimate the costs of alternative access paths that can be used to resolve a particular query.
优化器使用该数据模型来估计可以用于解决某个特定查询的其它存取路径的成本。
There needs to be a better estimate of the risk, and prediction of subjects at risk and of factors predisposing to risk of both types of serious complication of the yellow fever vaccine.
有必要更好地评估危险，预测危险较高的个体，并预测在接种后嗜内脏型和嗜神经型这两种严重并发症的易发因素。
A conditional clause can be essential for preserving the integrity of an estimate and to help defend it.
这些条款可以作为保证评估的一致性的基础，并且可以保护评估的效果。
A conditional clause can be essential for preserving the integrity of an estimate and to help defend it.
这些条款可以作为保证评估的一致性的基础，并且可以保护评估的效果。
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