This method has the disadvantages of low measuring precision, requiring environment of darkroom, and making eyes tired after a long-time testing.
此方法具有测量精度较低，使用环境要求暗室，长时间的测试容易使人眼疲劳等缺点。
This method has high precision and can avoid the shortcomings of long time testing and only for fixed structure low order models that most relay identification methods do.
该方法辨识精度高，同时可以有效避免大多继电反馈辨识方法测试时间过长及只能辨识固定的低阶模型的缺点。
By the method, the problems of low efficiency and low precision of quality testing have been solved.
该方法可以解决曲面质量检测效率低、精度低的问题。
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