The validator method receives the user's input as a parameter and may return an error message, which is stored in a JSP variable named validationError.
validator方法将用户输入作为参数，并且可能会返回一条错误消息，保存在一个名为 validationError 的JSP变量中。
To overcome the long test time and big error in single variable open loop step test method, a novel identification method based on asymptotic theory (asym) is presented.
为克服传统单变量开环阶跃测试法测试时间长和误差大的缺点，提出一种基于渐进黑箱理论的多变量辨识方法。
But there is always error in measuring. When the independent variable has error-several methods to process data by least square method are discussed in this paper.
但在实际的测量中，测量数据不可避免地会带来误差，该文在分析和总结了自变量有误差的情况下，用最小二乘法处理实验数据时的几种方法。
But there is always error in measuring. When the independent variable has error-several methods to process data by least square method are discussed in this paper.
但在实际的测量中，测量数据不可避免地会带来误差，该文在分析和总结了自变量有误差的情况下，用最小二乘法处理实验数据时的几种方法。
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