Evaluate the value of an arithmetic expression in Reverse Polish Notation.
评价一个用逆波兰表示法写成的算法式子的价值。
It introduces the method of the text auto-categorization, briefly describes the vector space model expression, and finally gives training arithmetic and categorization arithmetic of the text.
本文介绍了文本自动分类的研究方法，文本的向量空间模型表示。并给出了文档的训练算法和分类算法。
By constructing the BOM structure model, mathematic expression and arithmetic of the four types of Items in the multi-view mapping course is deducted.
通过建立BOM结构数学模型，推导了四种类型物料项映射规则的数学表达式和相应的算法。
The paper describes the RSA arithmetic about cipher, and shows the exponential expression of it.
针对密码学中的RSA算法进行了描述，指出RSA算法的指数表达式；
At last, stresses the expression of Combine Fixture design project and the searches arithmetic of design projects.
重点介绍了组合夹具设计方案案例的表示及设计案例的检索算法。
From the Rayleigh quotient of structural vibration, the computation expression of fuzzy variable of structural characteristic is obtained on the basis of the principles of interval arithmetic.
从结构振动的瑞利商表达式出发，利用区间运算推导出结构特征值模糊变量的计算表达式。
It makes a close combination of arithmetic and geometric operations, forming a new way of expression of plane figures.
把算术运算和几何运算紧密结合起来，形成新颖的平面图形表达方法。
At last, stresses the expression of Combine Fixture design project and the searches arithmetic of design...
重点介绍了组合夹具设计方案案例的表示及设计案例的检索算法。
The paper describes the RSA arithmetic about cipher, showing the exponential expression of it.
就密码学中的RSA算法进行了描述，指出RSA算法的指数表达式；
This paper discusses the function of control static output in the PID arithmetic expression and gives, out several methods of PID arithmetic expression.
讨论了PID算式中稳态控制输出在算式中的作用，同时讨论并给出了提高PID算式控制效果的几种措施。
This paper discusses the function of control static output in the PID arithmetic expression and gives, out several methods of PID arithmetic expression.
讨论了PID算式中稳态控制输出在算式中的作用，同时讨论并给出了提高PID算式控制效果的几种措施。
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