There has been a technological revolution in the printing industry.印刷业发生了一次技术革命。The technological revolution has failed to improve the lives of poor people in developing countries.在发展中国家，技术革命未能改善穷人的生活。Developments in computer chip design are at the cutting edge of the technological revolution.电脑芯片设计的开发走在了科技革命的前沿。