You would think that since E-mail is electronic and electronic information is suppose to move at the speed of light, your E-mail message would arrive seconds after you send it.
你可能会这么想：既然电子邮件是“电子的”而且电子信息是以光速传播，那么电子邮件应该会在发出的几秒后到达目的地。
According to the practical requirements, two schemes, i. e. high-speed operational amplifier and high-speed electronic switch are proposed.
根据实际要求，提出了高速运放调理和高速电子开关两种方案。
应用推荐