Cathy did a rough calculation.
凯茜作了一个粗略的计算。
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。
My rough calculation is that such a program would boost consumption by Rmb 500 billion.
我简单计算过，这个计划可以刺激5000亿元的消费。
I make some rough calculation in the back of an envelope.
我在信封的背面做了一个粗略的估算。
From rough calculation, we can see that we have no profit.
粗略计算后可以看出我们无利可图。
The paper also involves an analysis of polychromatic light based on both precise calculation and rough calculation.
并对复色光的研究分别用精确算法与粗略算法进行了分析研究。
The energy-saving effect and rough calculation of AC VVVF inverter in ventilator load in practical industrical production were described.
论述了交流变频调速器在工业企业实际生产中用于通风机类负载时节能效果情况及节能费用图示估算方法。
According to the results of calculation and analysis, Colebrook formula is considered as a accurate formula, and approximate formulae only can be made rough calculation and mathematical analysis.
计算和分析结果表明：科尔布鲁克公式是紊流混摩区的较准确的计算公式，近似公式只适用于粗略的计算和数学分析。
This paper introduces one test method of VOC in refinery units with the practice of petrochemical industry. And, rough calculation on quantity of VOC leak in unit is made according to EPA method.
结合石油化工行业生产的实际，介绍一种炼化装置挥发性有机物检测方法，并依据EPA的计算方法对装置的挥发性有机物的泄漏量进行了估算。
This paper introduces one test method of VOC in refinery units with the practice of petrochemical industry. And, rough calculation on quantity of VOC leak in unit is made according to EPA method.
结合石油化工行业生产的实际，介绍一种炼化装置挥发性有机物检测方法，并依据EPA的计算方法对装置的挥发性有机物的泄漏量进行了估算。
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