36 18 固定式自立升降架stationary free - standing hoists 39 导向辅助器具orientation aids 39 03 盲(白色)杖tactile(white) sticks or white canes ..
双语例句
1
Forgetting clearly aidsorientation in time, since old memories weaken and the new tend to stand out, providing clues for inferring duration.
遗忘显然有助于时间的定位，因为旧的记忆会减弱，新的记忆会突显出来，从而为推断持续的时间提供线索。
2
These ultrathin magnetic sensors with extraordinary mechanical robustness are ideally suited to be wearable, yet unobtrusive and imperceptible for orientation and manipulation AIDS.