The hidden cost of urban life affect migration will and capacity, which consists of Macro-institutional factors, personal qualities and abilities as well as the sociocultural practices and so on.
城市生活存在的“隐性成本”影响农民工迁移的意愿和能力，构成“隐性成本”的各种要素包括宏观制度因素、个人素质和能力因素以及社会文化习俗因素等。
It can increase the amount of information hidden, in the same time it also can increase the capacity of resistance to conventional attack, so it has strong robustness.
在增大隐藏信息量的同时，提高了抵抗常规攻击的能力，具有较强的鲁棒性。
The network has the advantages of less hidden layers, simple operation and powerful function approximation capacity.
该网络具有隐层少，运算简单和函数逼近能力强的特点。
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