二是新贸易壁垒对中国农产品出口影响的作用机理分析。

Second is mechanism analysis of new trade barriers on China's exports of agricultural products.

youdao

二是新贸易壁垒对中国农产品出口影响的作用机理分析。

Second is mechanism analysis of new trade barriers on China's exports of agricultural products.

youdao