这些成员针对中国对实行指定经营管理产品的关税配额制度表示了相似的关注。

Those members expressed similar concerns about the operation of China's TRQ system for products subject to designated trading.

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NAFTA将墨西哥的玉米进口许可证制度转化为关税配额制度，并在15年内逐步取消。

NAFTA converted Mexico's import license system for corn into a 15-year tariff rate quota (TQR).

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还有很多不同类型的非关税壁垒也一直在使用，广为人知的莫过于配额制度。

Many different types of non-tariff barriers have been used, but the best-known of these are quota systems.

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