And the gloomy analysis measures only the effect of pricier staple foods, whereas the other examines freer trade in all farm goods.
悲观的分析只考虑价格更高的主食与经济的联系，而另外一项研究则考虑所有对农产品进行更加自由的贸易如何作用于经济。
The equipment, producing process, technical parameters and the result analysis were introduced. It showed that the preparation of cotton type polyester staple was feasible by using waste PET.
文章介绍利用废弃聚酯生产棉型涤纶短纤维的可行性，生产设备工艺流程，工艺参数选择与效果分析。
Based on the analysis of the cutting principle of staple fibre, a mathematical model affecting the sharpness of cutter blades is established.
通过对短纤维切割工作原理的分析，建立了化纤生产中切断刀锋利性能变化的数学模型。
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