需要多少钱，我们只能做个大致的估计。
We were only able to make a rough estimate of how much money would be required.
这是一个大致的估计，但它必须作为基线添加到任何想要的测试限制中。
This is a rough estimate, but it serves as a baseline that must be added to any desired threshold for testing.
该模型的不确定性导致其结果只能给科学家一个大致的估计：南极东部冰盖的消融速度介于每年50亿吨和1090亿吨之间。
Uncertainties in the model gave the scientists only a broad estimate of ice loss in the East Antarctic ice sheet of between 5bn and 109bn tonnes a year.
我们也会涉及到询问假定的问题和估计大致数字。
We'll also cover asking hypothetical questions and approximating Numbers.
我们大致估计有60%的人身体超重，我们对于正常饮食的观念，几年前已经开始改变。
Given that 60 percent of the population is overweight, our view of normal eating has changed over the years.
“博学者”团队的非正式估计是，外国获奖者的比例大致等同于外国订阅者的比例。
The informal estimate of the Polymath team is that the proportion of foreign winners is roughly in line with the proportion of foreign subscribers.
据温迪·格罗伊尔估计，由于房价的滞后指标他们今年将大致持平，预计明年会下跌。
A lagging indicator of housing prices, they have been roughly flat this year but are expected to fall next year, according to Ms Greuel's estimates.
美国国会预算局估计，老龄化将只占未来数十年内健康卫生成本上升因素的四分之一，在其他发达国家，该比例也大致相仿。
The CBO estimates that ageing accounts for only a quarter of the health-care inflation to come in the next few decades, and the share in other rich countries is similar.
纵观这些趋势，经济学家们便能大致估计出未来的潜在产出。
By looking at such trends, economists can estimate future potential output.
分析师估计，其中大致一半来自YouTube上的广告业务。
Analysts estimate that roughly half of this amount will come from ads on YouTube.
comScore估计8月份美国网络用户的搜索量与7月份相比大致维持在110.75亿不变。
ComScore estimates that the number of searches performed by U.S. Web surfers on the five top search engines was virtually unchanged at 11.75 billion searches compared with July.
估计一下做准备得花多长时间，要花多长时间到达目的地，你就会大致的算出这些时间，一旦你了解了这些，你就可以提前做好计划，提前十分钟到达单位了，这种感觉会很好的。
You’ve probably been underestimating these times. Once you know these times, you can plan backwards so that you show up 10 minutes early each time.
这里的液流系数是预测值。因此这些数据只是大致的数据，不能用作高流量临界值或压降估计值。
The Fluid Flow factors contained herein are calculated values. They are therefore approximations and cannot be used for highly critical flow or pressure drop calculations.
我估计的费用大致正确。
对应于方差参数这两种估计的回归系数的两种两步估计，它们的均方误差大致相当。
However, two-stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error.
当需要大致估计金属晶粒度时，新方法是有价值的。
It is valuable when the grain size of metal is estimated approximately.
我们仅能大致估计出人群的规模。
微生物数量的估计值只能大致接近事实，就像估计地球上物种数量一样。
Estimates of microbial biomass, like estimates of the number of species on the planet, are only loose approximations.
这是对费用的大致估计。
信道估计方法大致可分为数据符号辅助的信道估计和盲信道估计。
Channel estimation methods can be broadly divided as the data symbol auxiliary and blind channel estimation.
如果你在读这篇文章，那我们大致可以估计你说英语，无论你的母语是英语，还是在英语方面达到一定水平的人。
If you're reading this, then we can safely assume that you speak English, either as a native speaker or to a reasonable degree of fluency.
按照算法的可实现性来分类，目前存在的信道估计算法大致可以分为两类。
There are many channel estimation algorithms proposed in recent years which could be sorted into two kinds.
目前，珍珠的等级评判主要靠人工依据珍珠的颜色、光泽、形状、纹理等进行大致估计。
At present, the pearl level judging depends largely on the artificial estimate of the color, luster, shape, texture of the pearl.
根据算法的特点，信道估计可大致分为三类：基于导频辅助的估计、盲估计、半盲估计。
According to the characteristics of various algorithms, we can classify them into three types: pilot-assisted channel estimation, blind and semi-blind estimation.
我仅能大致估计出人群的规模。
句子的大致意思是：兄妹二人呼吸急促，且咳个不停，估计是瘫倒在了地上。
There, his sister and brother, taking short and quick breaths and coughing, collapsed on the ground.
通过对砂砾层的研究，他的团队得以估计出这些海啸发生的大致日期，其中最早的是在3500年以前。
Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.
通过对砂砾层的研究，他的团队得以估计出这些海啸发生的大致日期，其中最早的是在3500年以前。
Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.
应用推荐