For Application Domain a to properly catch and handle the exception, it must be able to find the assembly containing the exception thrown by Application Domain b.
应用程序域a若想正确捕获和处理异常，它必须能够找到包含应用程序域b所引发的异常的程序集。
2
The locking catch block can conveniently assemble a plurality of wood floor blocks together, the assembly is convenient and simple, and the wood floor is not easy to deform after assembling.