1699
Finally , biomimetic lattice structures may also specifically refer to stochastic design strategies which create structures with a random distribution of strut thicknesses and lengths the randomness emulates nature .
 concept or principle: biomimetic; engineering feature: stochastic design; concept or principle: distribution; process parameter: strut thicknesses
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:
 concept or principle: biomimetic; engineering feature: stochastic design; concept or principle: distribution; process parameter: strut thicknesses