Cam lechanism

cam

n. 凸轮, 计算机辅助制造, 中央地址存储器\\n[计] 计算机辅助制造; 计算机辅助生产

But especially my family.

但尤其是我的家人。

By reading we enrich the mind; by conversation we polish it.

读书可以使我门的思想充实，谈话使其更臻完美。

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。