oil product demand 油品需求
product demand plan 产品需求计划
Modern Product Demand 现代产品需求
product demand analysis 产品需求分析
product demand forecast 产品需求预测
Product Demand Diversity 商品需求多样化
agricultural product demand 农产品需求
Product Demand Differentiation 商品需求分层
New Product Demand Forecasting 新产品需求预测
There are two reasons for the product demand differences. One is the consumer division, and second is the difference of consumer incomes and value judgments.
导致消费者的产品需求出现差异有两个原因,一是消费者分化,二是消费者收入水平和价值判断出现差别。
参考来源 - 中国珠宝首饰定制发展探究·2,447,543篇论文数据，部分数据来源于NoteExpress
Oil and product demand are recovering, but they're still way off decade-high levels.
全球石油及相关产品需求在回升，不过还是远低于十年以来最高水平。
It is often difficult to predict and prepare manufacturing systems for rapid fluctuations in product demand.
经常很难预测产品需求的快速波动和为之准备制造系统。
At the end of 2009, oil and product demand began to recover, but they remain well below 2006 and 2007 levels.
2009年末，石油及其产品需求开始回升，但是仍远低于2006和2007年的水平。
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