进出口总额年均增长15.9%，结构不断优化。

Total import and export volume grew by an average annual rate of 15.9%, and the structure of imports and exports constantly improved.

youdao

去年中国初级产品进口增长迅速，出口商品结构进一步优化。

Last year, China's imports of primary products increased rapidly, and the structure of exported commodities was further optimized.

youdao

因此，应建立健全农产品的质量与安全标准体系，加强信息沟通，优化出口结构。

Therefore, the system of quality of goods and of safety standards has to be established and communication has to be strengthened and exportation structure optimized.

youdao