In order to accurately calculate casting temperature field, a method of simple variable time step is established which can ensure the precision of casting temperature field and the speed of calculate.
本文中提出了一种较简便确定变时间步长的方法，该方法可以确保温度场的计算精度和计算速度。
The value to the variable can be passed from another operator (as is shown in the next step) or even from the mashup URL at run time.
变量的值可以在运行时从另一个操作符(如下一步所示)甚至mashupURL传递。
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。
In order to disassembly parts from used products, usually many steps are needed, and disassembling time in each step is stochastic variable.
对废旧产品中的零件进行拆卸通常需要多个步骤才能完成，而每个步骤所需要的拆卸时间都是随机变化的。
The experiments show that the variable temperature signal can be detected and the welding time and traveling time can also be controlled in "step" TIG welding by this system.
经实验验证：该系统能够检测到熔池的温度场变化信号，并能控制步进式TIG焊的焊接时间和行走时间。
The results show that the simulation results fit the theoretic results(by separate variable method)very well when the heat capacity matrix is lumped with appropriate time step.
通过模拟结果与解析解的比较可以看出，在时间步长选择合适的情况下，集中热容矩阵能够很好地解决数值振荡问题；
The M1 suffix can be generally applied to the macros in Table 5.2.1 to allow access to the value of the variable at the previous time step (i. e.
读写前一步长下的时间在表5.2.1里的宏中加入下标_M1就可以得到前一次步长时间下（t-⊿t）的变量的值。
The M1 suffix can be generally applied to the macros in Table 5.2.1 to allow access to the value of the variable at the previous time step (i. e.
读写前一步长下的时间在表5.2.1里的宏中加入下标_M1就可以得到前一次步长时间下（t-⊿t）的变量的值。
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