Cathy did a rough calculation.

凯茜作了一个粗略的计算。

《牛津词典》

Manabe also worked up a rough calculation for the effects of clouds.

Manabe还开始对云层的影响进行了粗略的分析。

youdao

Based on a rough calculation from local forestry bureau, some 2,000 boars have frequently appeared on the forestry farms in Jiamusi.

粗略计算的基础上，从当地林业局，大约2,000母猪，经常出现在林业农场在佳木斯。

youdao

On a rough calculation for The Economist by KPMG, getting out of London would be advantageous for high earners (see chart 2).

ECONOMIST: Britain��s financial industry

Doctors still use a rough calculation to work out the chances of survival - if the percentage of the body burned added to the age of patient exceeds 100, then things are looking bad.

BBC: Saving your skin

But I do believe that when the initial estimates came that there were -- it was 5, 000 barrels spilling into the ocean per day, that was based on satellite imagery and satellite data that would give a rough calculation.

WHITEHOUSE: Deepwater BP Oil Spill: Presidential Press Conference