Traditional controlling and identifying theories are good used for linear system identifications, as for non-linear systems, they are difficult to identify or even impractical.
传统的控制与辨识理论主要是基于线性系统的，对非线性系统的辨识还有待于完善。
The whole map system lacks and can't do without identifications . Possiblely the same figure element of used reflects the integrality and consistency of the whole system on all carriers.
整个地图系统缺少不了标识，所有载体上尽可能的使用相同的图形元素来体现整个系统的完整性和一致性。
The control ability of this system is greatly improved and the access needs of users with different identifications are satisfied.
极大地提高了系统的控制能力并满足了不同身份用户的访问需求。
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