求翻译：纵观字体发展的历史，字体也如工业设计的产品生命周期一般，可以把它的发展历程大致划分归拢为四个时期，像是一个抛物线，分别经历了引入，成长，成熟，下滑。是什么意思？

Throughout the history of the development of fonts, fonts, such as industrial design of the product life cycle in general, the course of its development can be roughly divided into a trace - into four periods, such as a parabola, respectively, through the introduction, growth, maturity, decline.

Throughout the history of the development, font font such as industrial design of the product life cycle in general, it can be broadly divided into the development process for classified together as 4 times, it is a parabola, respectively, experienced the introduction, growth, maturity, and decline.

正在翻译，请等待...

Look at the history of font development, fonts such as industrial design and product life cycle, can be put together for its development Division four times, like a parabola, respectively has gone through the introduction, growth, maturity, and decline.