实数类型定义了一组可以以浮点记号描述的数。
A real type defines a set of Numbers that can be represented with floating-point notation.
下表给出了重要的实数类型的范围和存储格式。
The table below gives the ranges and storage formats for the fundamental real types.
区别在于一个事实：计算机中使用的浮点数据类型无法包含每个实数。
The difference lies in the fact that floating-point data types used in computers can't hold every real number.
比如你简单修改变量的类型和方法的名字，这样程序就可以做实数的加法了，如图2 - 3。
You could, for example, change this program so that it added two real Numbers simply by changing the types of the variables and the names of the input methods, as shown in Figure 2-3.
JSON支持除对象之外的各种数据类型：字符串、空值、数字(整数或实数)、布尔值和数组(包含在方括号中的逗号分隔的值序列)。
JSON data supports various data types besides objects: strings, null values, Numbers (integer or real), Boolean values, and arrays (comma-separated sequences of values enclosed in square brackets).
将属性确信因子(带有一个分配的实数值)添加到依赖于期望的其他需求类型中(例如，涉众请求，特性等)。
Add the attribute sureness factor (with a real assigned value) to other requirement types that could depend on expectations (e.g., stakeholder requests, features, etc.).
《赫芬顿邮报》的一篇文章指出，气候变化小说虽然被视为新的文学类型，但其实数十年来它“一直根植于科幻小说的主题中”。
Although it is regarded as a new literary category, cli-fi has "roots in themes explored in fiction for decades", says a Huffington Post article.
《赫芬顿邮报》的一篇文章指出，气候变化小说虽然被视为新的文学类型，但其实数十年来它“一直根植于科幻小说的主题中”。
Although it is regarded as a new literary category, cli-fi has "roots in themes explored in fiction for decades", says a Huffington Post article.
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