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- Write the program expr, which evaluates a reverse Polish expression from the command line, where each operator or operand is a separate argument. 如果遇到这种情况，可以将它们分为两步或三步来理解，这样会更直观一些。
- reverse Polish expression 逆波兰表示式
- Exercise 5-10. Write the program expr, which evaluates a reverse Polish expression from the command line, where each operator or operand is a separate argument. For example, expr 234 很少有人使用比这更复杂的指针表达式。如果遇到这种情况，可以将它们分为两步或三步来理解，这样会更直观一些。
- Remember struggling with reverse Polish notation on your first scientific calculator? 还记得在您的第一台科学计算器上用逆波兰表示法奋斗的经历吗?
- The calculations are specified in the CDEF part above and are in Reverse Polish Notation ( RPN ). 计算是在CDEF部分中指定的，使用逆波兰表达式（RPN)表示的。
- Demonstration of Reverse Polish Notation expression calculation using Stacks 用栈翻转符号表达式
- Give the table a good rub with this polish. 用这上光剂把桌子好好擦一擦。
- Our army suffered a slight reverse. 我们的部队受到轻微的挫败。
- The 50p coin has a crowned lion on its reverse. 50便士硬币反面的图案是个戴皇冠的狮子。
- Four years of college gave her considerable polish. 四年的大学教育使她更加完美。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- I twisted my head round to reverse the car. 我扭过头去把汽车向後倒。
- Shoot! I forget to take off my nail polish. 糟糕！我忘了擦掉指甲油。
- A hot plate will spoil the polish on this table. 热盘子会毁坏桌面的光泽。
- He always shows a doleful expression. 他总是露出忧郁的表情。
- Would you polish up the article a bit? 你把文章再润色一下好吗?
- You should use wax polish on wooden furniture. 你应在木制家俱上打上蜡。
- The car has four forward gear and one reverse gear. 那汽车有四个前进挡和一个倒挡。
- I can think of no greater expression of defeatism. 这是我听到的最悲观的失败主义论调了。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
