单词：gyroscopic seismometer
陀螺地震计
单词：gyroscopic seismometer 相关文章
Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai
发表于:2019-03-09 / 阅读(99) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest