北京大学数学科学学院
department of information science
School of Mathematical Sciences
peking university
北京市环境保护监测中心；北京大学数学科学学院
beijing environmental protection monitoring centre
清华大学数学科学系
Department of Mathematical Sciences
tsinghua university
数字-数字数据变换器
digital-to-digital data converter
闭环数字制造
closed loop digital manufacturing
带正负号数字数字系统
signed digit number system
海洋学数字数据系统
oceanographic digital data system
Odds
设计制造数字化
Design and Manufacturing Digitalization
数字制造
digital manufacturing
digital manufacturing virtual assembly
制造数字化
manufacturing based on digital