Depending on the type of network to be implemented, the number of markup languages, and handheld devices to be supported, testing can be cumbersome and complex.
根据要实现的网络类型、标记语言的数量和所支持的手持设备，测试可能会既麻烦又复杂。
2
But he argues that the number is likely to be large because the type of complex interactions between mutations that caused irreversibility in the evolution of the cortisol receptor are common.