使用极大或极小的数字或者模仿从数值类型派生的私有数据类型。
Using very large or very small Numbers or emulating private data-types derived from numeric types.
通过表示一个数字的数值来识别其标准形式。
Identifying the standard form of a number given its place value representation.
第二个结果以类regex的方式更特定地描述了一个整数值看上去象什么：一个或多个数字的连续序列。
The second production describes in regex-like fashion more specifically what an integer literal looks like: a contiguous sequence of one or more numeric digits.
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