然而，到了20世纪80年代，巴克的论点开始受到质疑，因为许多科学家在各种恐龙的骨骼中发现了与现代爬行动物相似的生长环。
In the 1980's, however, Bakker's contention began to be questioned, as a number of scientists found growth rings in the bones of various dinosaurs that are much like those in modern reptiles.
公元前一世纪：益智环首先出现在亚洲，苏丹们和酋长们用它来标识他们的每个妻子。
1st Century BC: Puzzle rings first appear in Asia, where sultans and sheiks use them to tag each of their wives.
进入公园，您可以见到我们提供的代步工具，19世纪的环园小火车让您畅游欢乐谷；
Enter the park and you can see the transport we offer you---the round mini-train of the 19th century.
诺言为环，围住一世的幸福。海诺将用不竭的创作灵感，打造更广阔的创意婚礼世界。
Promise ring, surrounded by the I of happiness. Heino will be an inexhaustible inspiration, to create a broader world of creative wedding.
在这个时期，他也会住在纽约，他是1964年世界博览会上的一名舞蹈演员，他还是旧金山歌剧环音乐集团的成员。
During this period, he also lived in New York City, working as a dancer at the 1964 World's Fair, and in San Francisco, where he was a member of the Opera ring music group.
21世纪以来，北京的三环路、四环路周边也形成了新的办公业集聚现象。
Since the 21st century, Third Ring Road and Fourth Ring Road in Beijing has developed a new around office industry center.
建构2 1世纪逻辑教学体系和内容的重要一环是创作新的导论逻辑教科书。
An important step that constructs the logic teaching system and content of 21st century is to create new introductory logic textbook.
建构2 1世纪逻辑教学体系和内容的重要一环是创作新的导论逻辑教科书。
An important step that constructs the logic teaching system and content of 21st century is to create new introductory logic textbook.
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