緯線,緯度圈與赤道平面平行且環(huán)繞地球用來表明緯度高低的許多假想線中的任意一條 Any of the imaginary lines representing degrees of latitude that encircle the earth parallel to the plane of the equator.
引力微子一種假想粒子,被假定為引力相互作用的量子,并被推測為具有無限長壽命、零電荷和零靜止質(zhì)量 A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass.
未定名的主要新產(chǎn)品未命名的或假想的制品 An unnamed or hypothetical manufactured article.
萬能溶劑煉金術(shù)士曾一度尋求的假想的萬能溶劑 The hypothetical universal solvent once sought by alchemists.