如何将{}之间的内容逐个输出:
get-service -Name winmgmt | select -Property DependentServices | foreach {$_.DependentServices}
http://blogs.technet.com/b/heyscriptingguy/archive/2011/11/20/change-a-powershell-preference-variable-to-reveal-hidden-data.aspx
原文：http://www.cnblogs.com/IvanChen/p/4488532.html