.NET API 兼容性级别。
| NET_2_0 | .NET 2.0。 |
| NET_2_0_Subset | .NET 2.0 子集。 |
| NET_4_6 | .NET 4.6。 |
| NET_Web | Web profile, used only by Samsung TV. |
| NET_Micro | Micro profile, used by Mono scripting backend on iOS, tvOS, Android and Tizen if stripping level is set to "Use micro mscorlib". |