During that time, however, WTO members have not adjusted the maximum levels of tariffs and other barriers that they can maintain on goods and services.
然而，在那期间，世贸组织成员没有调整他们可以维持的商品和服务的最高关税水平和其他壁垒。
So mother turkeys do have the genetic stuff for making males, although there may be other barriers to a "virgin birth".
所以说尽管可能还存在其它的障碍使得雌火鸡不能进行单性生殖，但是它们确实是具有生育雄性小火鸡的基因材料的。
But after eight years, no licenses have been granted - largely, the United States says, because capital requirements, regulatory hurdles and other barriers have made such ventures impractical.
但八年时间过去了，没有发放任何牌照，美国说，这在很大程度上是因为资本要求、监管壁垒以及其它障碍令这样的合资企业变得不切实际。
Workers battled landslides and other barriers to carry fiber communications equipment on foot to restore communications, the official said.
他说，工人们不畏泥石流和其他阻碍，徒步运送纤维通讯设备以修复灾区通讯。
Pigs could provide an alternative source of tissue and cells but the immunological challenges and other barriers associated with xenotransplantation need to be overcome.
猪虽然能够作为组织与细胞的替代性供体来源，但需要克服相关免疫挑战及其它与异种移植有关的障碍。
Other barriers to AOSD adoption.
对AOSD采用的其它障碍。
Other barriers arise from the design of buildings, such as schools and workplaces, and of information and communication technologies.
其它方面的障碍源自建筑物的设计，比如学校和工作场所，还源自信息和通讯技术的设计。
Other barriers arise from the design of buildings, such as schools and workplaces, and of information and communication technologies.
其它方面的障碍源自建筑物的设计，比如学校和工作场所，还源自信息和通讯技术的设计。
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