520
On the contrary , topology optimization techniques are capable of quickly finding the optimal topologies which satisfy multiple objectives and constraints simultaneously to provide site-specific biological performance .
 engineering feature: topology optimization; concept or principle: topologies; concept or principle: performance
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:
 engineering feature: topology optimization; concept or principle: topologies; concept or principle: performance