7307
The fully coupled CFD-DPM fluid-particle interaction method has been applied to capture the influence of gas flow on solid particles accurately .
 concept or principle: gas; concept or principle: particles; process characterization: accurately
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: gas, particles, accurately 
Answer:
 concept or principle: gas; concept or principle: particles; process characterization: accurately