Have you failed to attend a hearing on removability or inadmissibility within the last five years?
你有没有出席在过去五年内就撤换，或受理听证？
2
The system is of good fault tolerant and load balance abilities as well as stability and removability with high efficiency and low cost of development and maintenance.
Compared to wireline networks, wireless networks have higher removability, while they face the difficulty of bad wireless communication environment and limited spectrum resource.