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| back-sight; backsight | |||
| plus sight | |||
| back angle | |||
| back sight | |||
| backsighting (1. measuring or reading back towards a point of known elevation, used to calculate the height of the surveying instrument [theodolite, transit, total station]; 2. measuring a previously-shot point, used to set the angle to zero when occupying a new position) | |||
| backward sight; backward sighting | |||
| back bearing | |||
| reverse bearing | |||
| back sighting | |||
| обратное визирование: 5 phrases in 5 subjects |
| Artillery | 1 |
| Geophysics | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |