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In the field of computational material design , the topology optimization approach is termed as an homogenizationmethod because the homogenization method is used to calculate the effective properties of a unit cell and the material distribution is rearranged through topology optimization to enable the material to attain target properties .
 material: material; engineering feature: design; engineering feature: topology optimization; material: as; manufacturing process: homogenization method; concept or principle: properties; concept or principle: unit cell; material: material; concept or principle: distribution; engineering feature: topology optimization; material: material; concept or principle: properties
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 material: material; engineering feature: design; engineering feature: topology optimization; material: as; manufacturing process: homogenization method; concept or principle: properties; concept or principle: unit cell; material: material; concept or principle: distribution; engineering feature: topology optimization; material: material; concept or principle: properties