Computer-Aided Design (CAD) began in the mid 1970's with two competing approaches.

计算机辅助设计(CAD) 1970年中期的做法与两个相互竞争的。

youdao

Computer-Aided Design (CAD) began in the mid 1970's with two competing approaches.

计算机辅助设计(CAD) 1970年中期的做法与两个相互竞争的。

youdao