404. That’s an error.

The requested URL /translate_c?hl=zh-CN&sl=en&u=http://www.andrew.cmu.edu/user/sowen/qm/rt98quad.htm&prev=/search%3Fq%3DQuad-Morphing%26hl%3Dzh-CN%26sa%3DG%26newwindow%3D1&rurl=translate.google.cn&usg=ALkJrhhh3qqLrhfu9Ek5R1jEGNO5UKFG8Q was not found on this server. That’s all we know.