数据库 数据库管理系统及其实现技术 释文 division 关系除法
- on axis point
- on-axis point
- on-axis three-mirror optical system
- On A Young China
- ONB
- on-band observation
- On Beauty of Seven Things
- On Becoming a Person: A Therapist's View of Psychotherapy
- On Biographies of Eunuchs
- on-board clock
- on-board computer
- on-board-diagnostic
- on board directly light-emitting diode package
- onboard information system
- on-board information terminal
- on-board telescope
- on-board unit
- on-bottom stability of jacket
- On Calligraphy
- on-camera correspondent and reporter
- On Canadian Poetry
- Once Again on the Trade Unions, the Present Situation and the Mistakes of Trotsky and Bukharin
- once primed quantity
- once-through boiler
- once-through boiler modulation control system