为了将隔震结构设计与传统抗震结构设计联系起来，《抗震规范》引入 来反映建筑物采用隔震技术后其水平地震作用降低的程度。

A. He set a record be swimming to and from an island.
B. He celebrated ninth birthday on a small island.
C. He visited a prison located on a farawayisland.
D. He swam around an island near San Francisco.

A. He doubled the reward.
B. He cheered him on all the way.
C. He set him an example.
D. He had the event covered on TV.

A. 中国
B. 德国
C. 美国
D. 日本