ISBN: 9787303146659 - 让中国孩子自豪的创新科技：神奇激光 (1 resultados)

paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-03-01 Language: Chinese Publisher: Beijing Normal University Press. how to judge too fast speeding car there ? How let the computer know - all characters in the box ? How to determine world's highest peak - Mount Everest true altitude ? Why supermarket cashier gently - Esau read all product information ? Why - on little discs can carry so much content ? Let the Chinese kids proud innovative technology : the magic laser on these issues behind the Chinese people innova.Four Satisfaction guaranteed,or money back.…