常见例句雙語例句Based on Boussinesq's Approximation, the introduction of porosity factor, and k -εturbulent model, the closure of turbulent equations is realized.利用佈辛涅斯尅小密度差近似，引入空度因子，採用雙方程模型，對紊流方程組進行封閉。 返回 Boussinesq equation