Pray god to explain what is the principle of Needham

CodePudding user response:

Here ask the return not equal to the valley,

CodePudding user response:

Ha ha, if that, I still use to ask? Here is what on baidu?

CodePudding user response:

http://wenku.baidu.com/view/5f619c563c1ec5da50e27069

CodePudding user response:

http://academic.hep.com.cn/fem/EN/chapter/978-7-04-032456-3-00/chapter16
http://read.pudn.com/downloads51/ebook/174460/01.pdf
http://www.sharedocument.info/16382656/

Why can't find, just don't know whether it is related,

CodePudding user response:

Pour two useful, of the search is zha, please

CodePudding user response:

The commonly used several search engines, try don't know,