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The microstructures and high-temperature tensile properties of the rods were investigated by taking into account the effect of the BD .
 material: microstructures; machanical property: tensile properties
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: microstructures, tensile properties 
Answer:
 material: microstructures; machanical property: tensile properties