在我们期待喷气发动机组件、飞行汽车、浮点计算机和宇宙飞船问世的同时，这一年仍然算是令人激动的科技之年。
While we were supposed to have jet packs, flying cars, floating computers and spaceships, this was still a pretty amazing year for technology.
浮点是一个非常类似的概念，除了计算机使用二进制而不是十进制作为基础。
Floating point is a very similar concept, except that computers use binary rather than decimal as their base.
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.
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