九减七等于多少？
世卫组织官员认为，粮食价格有可能使减贫工作取得的进步倒退七年。
WHO officials believe the food price crisis could set back progress in reducing poverty by seven years.
维珍航空说明年二月将减容7-10个百分点，裁员600人左右，或百分之七的工作人员。
The airline said in February that it would reduce its capacity by 7 to 10 per cent in the next year and cut up to 600 jobs, or 7 per cent of its workforce.
本文设计合成了菁和氮菁七个减感染料，并用元素分析、紫外—可见光谱和红外光谱进行了表征。
This paper presents a report of the synthesis of seven desensitizing dyes of cyanines and azocya-nines series.
第七章研究了转子系统降速过程中过临界转速时的减振问题，讨论了其平衡方法。
In chapter seven, the problem of reducing vibration in the speed-down process of a rotor system is noticed and its balancing methods are discussed in detail.
七减六剩一。
七减五等于二。
有些人已经上报至一十五英镑减重只需七天结肠清洗。
Some people have reported up to fifteen pounds of weight loss with just one 7 day colon cleanse.
有些人已经上报至一十五英镑减重只需七天结肠清洗。
Some people have reported up to fifteen pounds of weight loss with just one 7 day colon cleanse.
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