隔震结构设计是通过在房屋基础、底部或者下部与上部结构之间设置具有 功能的隔震层，以延长结构的 ，减少输入上部结构的水平地震作用，达到预期防震要求。

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

A. “智能工厂”
B. “智能生产”
C. “智能物流”
D. “智能机器人”