根据国务院决定，自1997年10月1日起，较大幅度自主降低进口关税税率，降低了4874个税号（现行税则共6633个税号）商品的进口优惠税率，降幅达26％，关税算术平均税率已从23％降至17％。经这次调整税率后，我国各类产品的算术平均税率为：按工农业产品分：农产品为ZI．Zop，其 According to the decision of the State Council, since October 1, 1997, the import tariff rate has been reduced on a relatively large scale, reducing the import preferential tax rate for the 4874 tariff lines (currently a total of 6,633 tariff lines), a reduction of 26%, tariffs, and arithmetic. The average tax rate has dropped from 23% to 17%. After this adjustment of the tax rate, the arithmetic average tax rate for various types of products in China is: According to the industrial and agricultural products: Agricultural products are ZI. Zop, its