Hardiman was the first attempt to build a practical powered exoskeleton, by General Electric in 1965. The machine was intended to allow the wearer to lift loads of 1500 pounds (680?kg) with ease.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。