Since a function call is usually just a part of an XPath expression, an unknown function causes the execution of the entire XPath expression to fail.
由于函数调用通常仅仅是XPath表达式的一部分，未知的函数会造成整个 XPath 表达式的执行失败。
The thermal flux as an unknown function is obtained by minimizing the functional and solved with the equation of temperature function simultaneously.
将热流通量作为未知函数求泛函极值，并与温度函数联立求解。
One of the schemes adopts the integral equation with equivalent current as an unknown function, whereas the other USES the integral equation with total electric field as an unknown function.
一种方案采用以极化电流为未知函数的积分方程，另一种方案采用以总电场为未知函数的积分方程。
The strerror() function isn't necessarily thread-safe; for unknown values, it formats an error message in a static buffer and returns a pointer to that buffer.
strerror()函数并没有必要是线程安全的；对于未知值，该函数在静态缓冲区中设置错误消息的格式并将指针返回到该缓冲区。
The minimization of some energy measure translates some problems into an optimization problem depending on the unknown variables (which are function) in mathematics.
数学上通过能量度量最小化把这些问题转化成变量或函数的最优化问题。
Although several studies clearly define HAX-1 as an anti-apoptotic protein, the mechanism of its function is unknown.
尽管几个研究清楚地把HAX - 1界定为一种抗凋亡蛋白，它发挥功能的机理仍然未知。
Given some points, and a measurement of the value of some function at these points (with an error), we want to determine the unknown function.
鉴于一些要点，并测量值的一些功能在这些点(错误)，我们要确定未知函数。
When the probability density function of the random series is unknown, the order of the model and the unknown parameters are estimated to make possible the solution for an actual case.
在不知道随机序列的概率密度函数的情况下估计出模型阶次及未知参数，使实际问题的解决成为可能；
The meaning of symbolic regression is that we are searching for a function that closely matches an unknown expression based on a finite set of sample data, in order to analyze and forecast data.
符号回归的含义是找出一个符号形式的数学公式，以指定的精度拟合相关变量的有限样本，以便于分析和预测。
The meaning of symbolic regression is that we are searching for a function that closely matches an unknown expression based on a finite set of sample data, in order to analyze and forecast data.
符号回归的含义是找出一个符号形式的数学公式，以指定的精度拟合相关变量的有限样本，以便于分析和预测。
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