[(b) Improving market access for their export products [, including tariff-free and quota-free treatment via preferential schemes for essentially all products originating in the least developed countries-Japan];]
[(b) 增加它们出口产品的市场准入，〔通过针对原产于这些国家的几乎所有产品的优惠计划，提供免关税和无配额待遇－日本〕；]