The first digital computer was put into use in 1944 . 一九四四年,第一台二位制计算机投入了使用。
The first computers used the same types of component and this made the equipment very large and bulky . 第一台电子计算机就是使用这类元件,因此使得设备非常庞大和笨重。
Maiman's announcement of the first operative laser came at a new york news conference on july 7, 1960 . 迈芒在1960年7月7日纽约的一次记者招待会上宣布了第一台激光器运转的消息。
The work of the first digital computer made in america can be matched today by a computer of the size of a television set . 现在一台电视机大小的电子计算机,其功能比得上当年美国生产的第一台数字式电子计算机。
First rotary printing press by richard m . hoe 理查德. m .霍发明第一台轮转印刷机。
1985 successfully produced its first high speed elevator 1985年第一台高速直流电梯
It was the first computer with beautiful typography 那是第一台有漂亮字体的电脑。
We realize the first fiber laser of our lab 我们建立了本实验室第一台光纤激光器。
Successfully installed its first escalator 1990年成功生产安装第一台自动扶梯
" for their design of the scanning tunneling microscope 设计第一台扫描隧道电子显微镜