http://blogs.msdn.com/b/cbrumme/archive/2003/05/17/51445.aspx
https://msdn.microsoft.com/magazine/jj863136
https://msdn.microsoft.com/en-us/magazine/jj883956.aspx
C# Memory model
原文：http://www.cnblogs.com/WCFGROUP/p/4957719.html
