commodity paper [经] 商品票据
- The paper has emphasized on maximizing yields of a single commodity crop.
本文强调了使一季商品作物达到最高产量。 - As valuable as trees are, and as valuable as paper is, everyone should co-operate to use this essential commodity wisely.
树木很珍贵,纸张也很珍贵,大家应该通力合作好好使用这项基本的消费品。 - In this paper, we expound the reqularity of change in price when the supplies and de-mand of commodity change in the mathematical model of difference equation.
本文利用差分方程这一数学模型阐明了商品供应量和需求量变化时,其价格变动的规律,用数学方法印证了大卫。
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