使用Microsoft.NETCore.Portable.Compatibility会破坏该类库在Mono和Xamarin平台的兼容性
可能导致的问题
provides a compile-time reference assembly for mscorlib on MonoAndroid,Version=v6.0, but there is no run-time assembly compatible with win. error CS1703: Multiple assemblies with equivalent identity have been imported
和
无法安装程序包“Microsoft.NETCore.Jit 1.0.2”
如果不需要，建议移除net startand类库中的Microsoft.NETCore.Portable.Compatibility
原文：http://www.cnblogs.com/yinyue200/p/6661658.html