1. If the voltage exceeds a critical limit (breakover voltage), the device switches into conduction.
   当电压超过临界极限（即导通电压）时，该元件会导通。
2. From the cabin to the cabin outside, its key technologies is to the outer space environment adaptation, thus guarantee circuit's breakover.
   从舱内到舱外，其关键技术是对太空环境的适应从而保证电路的导通。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。