The paper introduced the modeling method and process for the block model, solid model and tetrahedron model.The paper pointed out the advantages and disadvantages of each model.是什么意思_The paper introduced the modeling method and process for the block model, solid model and tetrahedron model.The paper pointed out the advantages and disadvantages of each model.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句