说明：  “MathJax是一个开源JavaScript库。它支持LaTeX、MathML、AsciiMath符号,可以运行于所有流行浏览器上。它的设计目标是利用最新的web技术,构建一个支持math的web平台。
("Mathjax is an open source JavaScript library. It supports latex, MathML, ASCII math symbols and can run on all popular browsers. Its design goal is to build a web platform supporting math by using the latest web technology.)