最后，建立了多式联运集装箱空箱调运整数规划模型。

Finally, the intermodal transportation empty container disposition model, which is Integer Programming, is established.

集装箱空箱调运的研究一直是理论界和实际工作部门重视的课题。

The study or research of collection and allocation of empty containers was always greatly thought much by theory circles and practice organizations.

船航运公司合作调运空集装箱能提高了航运公司的空箱利用率和经济效益。

Cooperation between container companies will enhance the utility ration of the containers and raise the economic profit of each company.