This paper studies the level, distribution and characteristic of product quality in our country.

本文研究了我国产品质量水平、分布和特点。

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Do you think celebrity endorsement can help you to understand more the characteristic of product?

你认为代言人可以帮助你更了解产品的特点吗？

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A niche market is a small group of customers who share a characteristic that makes them receptive to a particular product or service.

细分市场指一小群人，因相同的特性而接受特定的商品或服务。

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Soil samples can be taken in which you can look for either residue of a chemical agent or the product's characteristic of when an agent degrades.

BBC: Syria chemical weapons claims: UK and US tread cautiously