Taxes can also act as a barrier, particularly import duties on handsets or special mobile communications surcharges.
税也可能成为障碍，尤其是手机进口税以及专业移动通信附加税。
2
Finally, the paper has a case study dealing with the impacts of the green barrier to soybean import set up by China, whose results is proved rather closed to the real situation.
最后以中国对大豆进口设置绿色壁垒的影响进行了实证分析，其测算结果与实际比较接近。
3
In international trade non-tariff barrier has become one major factor in influencing import and export.