Radiation cone

radiation [,redɪ'eʃən]

n. 辐射;放射物;辐射状;分散;

radi光线 + ation表示行为、情况、状态、过程、结果 → 光线发出的→放射，发射；辐射能

cone [kəun]

n. 圆锥体;球果;圆锥形东西; vt. 使成锥形;

What number are you trying to dial?

你要的电话是什么号码？

Who is the auther of this novel?

谁是这本小说的作者？

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。