Jul 30, 2008 #1 L leonwang Junior Member level 1 Joined Dec 6, 2004 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Tianjin Activity points 113 Excuse me, could someone help me to understand the equation on this picture? I donot know how to get them... Thanks a lot for your kindly help!
Excuse me, could someone help me to understand the equation on this picture? I donot know how to get them... Thanks a lot for your kindly help!