technical与technology的区别不是一个词根，是词缀
例句
1.
According to the British show jumping team manager, 'It's a pig of a course — much too big and also very technical.'
据英国场地障碍赛马队教练说，“整个赛场太大，对技术的要求也高，比赛起来很困难。”
2.
A measure of technical knowledge is desirable in this job.
做这项工作最好多懂一些技术知识。
3.
The article is full of technical terms.
这篇文章满篇皆是专业术语。
词根相同，都是tech，一个形容词，意思是技术的，另一个是名词，技术。
