recurring decimal

noun

1. 循环小数
   a decimal fraction in which the same figure or group of figures is repeated for ever, for example 3.999…
   1. The recurring decimal 3.999… is also described as 3.9 recurring.
      循环小数3.999...亦作3.9循环。

1. On the Characteristic Value of the Prime Recurring Decimal
   关于素循环小数的特征值
2. Proving the Guesses for the Recurring Decimal
   循环小数几个猜想的证明
3. Recurring Period of Pure Recurring Decimal
   纯循环小数循环节的规律
4. This paper, by studying and guessing, has advanced the concept of the characteristic value of the prime recurring decimal, and given a series of important propositions.
   通过研究、猜测，提出了循环小数特征值的概念，给出了一系列重要命题。

noun

1. a decimal with a sequence of digits that repeats itself indefinitely

   Synonym:    circulating decimalrepeating decimal