書籍詳情
格式
電子書
頁數
24
語言
英語
已出版
Jan 1, 2007
出版商
Capstone
ISBN-10
1282143840
ISBN-13
9781282143845
描述
We use all kinds of machines and instruments to see, hear, record, measure, and detect changes in the world around us. Explore the variety of tools scientists have created to help in these investigations.