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1 collimating hairs
Морской термин: коллиматорная сетка нитей -
2 collimating hairs
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3 cross hairs
The English-Russian dictionary general scientific > cross hairs
См. также в других словарях:
autocollimation — | ̷ ̷ ̷ ̷+ noun ( s) Etymology: aut + collimation : the process of collimating an instrument (as a telescope) having objective and cross hairs by directing it toward a plane mirror and adjusting the lens and cross hairs so that the latter… … Useful english dictionary