voidance
🇬🇧/ˈvɔɪdəns/ 🇺🇸/ˈvɔɪdns/an annulment, as of a contract (如合同的)无效; 作废
noun [抽象名词] 无效;取消;排泄;空缺
The control device for the obstacle - a voidance of the endoscope is a part of the automatic obstacle - a- voidance subsystem of endoscopy. 内窥镜前端避障的执行装置是内窥镜主动避障系统的一部分。