line-at-a-time printer;line printer是什么意思

用法例句

According to the properties of the determinants of rows and columns,two ways to get generalized inverse of matrix are given:1.

利用行式和列式的性质,给出了两种求矩阵广义逆的方法:1。

Study on crawl type all position arc welding robot with modern arc welding control;

现代弧焊控制在爬行式全位置弧焊机器人中的应用研究

Research for vertical and horizontal weld technics of crawl type arc welding robot;

爬行式弧焊机器人立向与横向焊接工艺的研究

Development of portable electromagnetic radiation detecting and alarming system for individual soldier;

单兵携行式电磁辐射监测与报警系统的研制