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。
—— 《牛津词典》
2·In the standard decimal representation, almost all real numbers do not have a terminating decimal representation.
在标准的十进制中，几乎所有实数都不能用有限小数表示。
3·Usually, coordinate values are stored in numeric columns (float, decimal, or even integer), and the specific type will not affect the code presented here.
通常，坐标值存储在数字列中(浮点、小数，甚至是整数)，具体的类型并不影响这里给出的代码。
4·This converter deals with grouping (such as commas), number of decimal digits, currency symbols, and such.
这个转换器处理分组(如逗号)、小数、货币符号等。
5·Currency separators include the thousands separators, decimal separators, decimal position, field length, and padding character.
货币分隔符包括千位分隔符、小数点、小数位置、字段长度和填充字符。