Eroding purchasing power through a combination of falling incomes and real exchange rates afflicts the affordability of food, however cheap it has become on the international marketplace.
尽管国际市场的粮食那么便宜，收入不断减少和汇率下降影响了人们购买粮食的能力。
This method can provide drug marketing combination strategies for the pharmaceutical retail industry and provide references for drug purchasing and inventory.
此方法可以为医药零售业提供药品营销组合策略，同时也为药品采购和库存提供参考。
Aiming at the demonstration of purchasing medical equipment, the paper suggests to apply the method of technology economics and adopt dynamic evaluation to find out the best combination plan.
本文针对医疗设备购置论证，提出要运用技术经济学的方法，采用动态评价，找出最佳组合方案。
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