double-image
| zenith telescope
| double image abbr. | |
| commun. el. | effet d'écho |
| zenith telescope abbr. | |
| astr. | lunette zénithale; télescope de zénith |
| industr. construct. | lunettes zénithales |
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| dédoublement d'images (syn. duplication of imagery) | |||
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| effet d'écho | |||
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double-image : 16 phrases in 5 subjects |
| Astronomy | 2 |
| Cultural studies | 1 |
| Life sciences | 9 |
| Measuring instruments | 3 |
| Surveying | 1 |