目的：研究不同产地栀子的质量。
Objective:To study the quality of Fructus Gardeniae from different sources.
不同产地的同一品种稻谷质量也不一定相同。
The quality of same variety but different producing area was different.
不同产地、不同种植物中各成分均存在一定的差别。
There is content difference among different locations or species.
实验结果表明：不同产地的高岭土其组成和结构有所差异。
The results show that the composition and structure of kaolin at different area is different.
实验结果表明：不同产地的高岭土其组成和结构有所差异。
The results show that the composition and structure of kaolin at different area is different.
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