浮点文字量由整数部分，小数点，小数部分，e或e，可选的有符号整数指数，以及可选的类型后缀组成。
A floating literal consists of an integer part, a decimal point, a fraction part, ane or e, an optionally signed integer exponent, and an optional type suffix.
作为有符号整数的指数可以有正负之分。
The exponent is interpreted as a signed integer, allowing negative as well as positive exponents.
本文主要研究图的基本群的正规子群的指数何时成为任意正整数的条件。
In this paper, we study the condition which makes the fundamental group of graph have every positive integer as the index of some normal subgroup.
本文主要介绍了母函数与指数型母函数在组合计数、排列计数、递推关系、组合恒等式和整数拆分中的一些应用。
This paper describes the generating function and index-generating function in combination count, with counts, recursive relationship, combined identity and integral split in some applications.
稀疏矩阵指数必须是正整数。
稀疏矩阵指数必须是正整数。
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