very long baseline interferometry; VLBI
Technical term in astronomy; refers to a technique combining signals from widely separated radio telescopes to achieve high-resolution imaging.
Very long baseline interferometry is a technique that combines radio telescopes located far apart.
Compound of 超 (super/ultra), 長距離 (long distance), and 干渉計 (interferometer). The term is a direct translation of the English 'very long baseline interferometry'.