在过去五十年里，传统技术已经经历许多变化的翻译：Over the past 50 years, traditional technologies has experienced many changes 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In the past five decades, the traditional technology has undergone many changes

Over the past 50 years, traditional technologies has experienced many changes

In the past 50 years, the traditional technology already experienced many changes

In the past 50 years, traditional technologies, which has gone through many changes.

Over the past 50 years, traditional technologies has experienced many changes