ISBN: 9787511200730 - physical - the eighth grade on the book - with pep - detailed knowledge learning master teaching - learning technology based - exercises with detailed answer donated materials(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number: 225 Publisher: Guangming Daily Pub. Date :2011-6-1. Learning expert to the concept of learning technologies into a written. smooth and refined a complete learning process. The process first six learning method. which enables students to study. will be summarized. will migrate. thinking. analyzes. applies. to make learning easy and efficient. Contents: Chapter I sound phenomenon to show a forum for you. the sound generation and propagation Second. how do we hear the sound three or four characteristics of sound. noise. hazards and control of five. the sound of the use of Chapter II of this chapter summarizes the phenomenon of light I forum to show you one or two of light transmission. light reflection Third. the plane mirror image four. five light refraction. dispersion of lightFour Satisfaction guaranteed,or money back.…