| Subject | English | Russian |
| product. | access to objects under control | доступ к объектам контроля (Yeldar Azanbayev) |
| archit. | object under construction | строящийся объект |
| construct. | object under construction | объект незавершённого строительства (Elena_afina) |
| Makarov. | object under observation | наблюдаемый объект |
| Makarov. | object under observation | объект наблюдений |
| gen. | object under study | исследуемый объект (The approach was inductive as the object under study, St Ursula's College, was considered in the light of remarks made in these selected documents – by J.D. Watts and J. Handley Tamerlane) |
| scient. | object under study | объект изучения (Alex_Odeychuk) |
| econ. | period of service of object under construction | срок службы строящегося объекта |
| gen. | right of possession of objects under pledge | залоговое право на вещи (ABelonogov) |
| math. | the object under observation | наблюдаемый объект |