In　this　paper,　we　consider　a　family　of　rational　solution　for　an　extend　(3 + 1)-dimensional　B-type　Kadomtsev-Petviashvili-Boussinesq　equation　with　two　non-zero　offset　parameters　μ　and　ν,　through　its　bilinear　form　and　symbolic　computation.　These　solutions　can　be　classified　as　multi-order　breather　and　...