略語大辞典 [Astro] 33 NTT new technology telescope (ヨーロッパ南天文台の)新技術望遠鏡.new technology telescope; of ESO(European Southern Observatory); since 1990; uses computer-assisted active optics to yield images that are up to three times sharper than those of telescopes using conventional optics; (EC); [Astr 丸善「略語大辞典」JLogosID : 11863437