求翻译：贸易保护政策是指通过关税和各种非关税壁垒限制进口，以保护国内产业免受外国商品竞争的国际贸易理论或政策。关税、进口配额、外汇管制、烦琐的进出口手续、歧视性的政府采购政策等都是国际贸易保护的重要手段。是什么意思？

Trade protection policy refers to various non-tariff barriers by tariffs and import restrictions to protect domestic industries from foreign competition in international trade of goods theory or policy. Tariffs, import quotas, exchange controls, cumbersome import and export procedures, discriminator

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The trade protection policy is refers through the customs duty and each non-tariff barrier limit import, protects the home industry to exempt the foreign commodity competition international trade theory or the policy.The customs duty, the import quota, the foreign exchange control, the troublesome i

Trade protection policy means customs duties and non-tariff restrictions on imports to protect domestic industries from foreign competition of goods of international trade theory and policy. Tariffs, import quotas, exchange controls, cumbersome import procedures, discriminatory government procuremen

The protective policy of the trade means that exercises restraint in importing through tariff and various non-tariff trade barriers, in order to protect domestic industry against the international trade theory or policy of foreign goods competition. Tariff, import quota, exchange control, convoluted