We need to make an accurate estimate beforehand.

我们需要事先做出准确的估计。

In order to make an accurate estimate of actual Chinese defense expenditures each separate source of extra-budgetary income must be evaluated for each specific year.

为了对中国每年真实的国防开支做一个准确的估计，每一项独立的预算外进项每年都必须被明确评测。

Outsports said this must be way short of the real figure and argued that a more accurate estimate could even reach 1,000.

Outsports认为，这一数字一定比实际数字要少，更精确的估计值可能甚至高达1000人。

Outsports said this must be way short of the real figure and argued that a more accurate estimate could even reach 1, 000.

Outsports认为，这一数字一定比实际数字要少，更精确的估计值可能甚至高达1000人。

The term effectiveness is used to describe the likelihood that the statistical sample result will be more accurate estimate of the true population error rate.

效果“用来描述统计样本结果能更精确估计真实的总体误差率的可能性。

The researchers say their results, published in the British Journal of Anaesthesia, offer the first accurate estimate of the impact these gasses make on the environment.

研究者说他们发表在英国麻醉期刊的结论提供了第一份对这些气体对环境影响准确的评价。

The result was a remarkably accurate estimate of a parameter called the gravitational constant, and from that Cavendish was able to calculate the density and mass of the earth.

测量结果惊人的准确，他测出了万有引力恒量的参数，在此基础上卡文迪许计算地球的密度和质量。