信息量增大的倾向逐年显著,随之而来的计算机输出信号的印刷输出也要求高速而且低成本。现在机械的打字方式占了大半,在印刷方而正被广泛采用的照相排字技术,将来也有可能广泛地用于计算机输出信号的印刷输出中。 The tendency of the amount of information to increase significantly year by year, followed by the computer output signal printed output also requires high speed and low cost. Nowadays, mechanical typewriting takes up more than half, and photolithography technology, which is being widely used by printers, may also be widely used in the printout of computer output signals in the future.