评价一个用逆波兰表示法写成的算法式子的价值。
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
波兰表示力争在2011年前达到加入欧元区标准,制定兹罗提(波兰货币)兑欧元固定汇率。
Poland, ambitiously, says it wants to meet the criteria and set a fixed rate for the zloty against the euro in 2011.
后缀表示法也称逆波兰表示法(reverse Polish notation, RPN),因其使表达式求值变得轻松,所以被普遍使用。
Postfix notation is also known as reverse Polish notation (RPN) and is commonly used because it enables easy evaluation of expressions.
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