EECO 和APTEC computer systems 指的什么?请给出我这两个缩写的全称和中文解释,

EECO 和APTEC computer systems 指的什么?请给出我这两个缩写的全称和中文解释, computer games和computer game的区别. on computer和on the computer区别 computer, computer playing computer和playing computer games之间加不加介词the? computer science和computer engineering之间的差别是什么? use computer和use the computer哪个对 computer engineering 和computer science的区别是什么? use the computer 和use a computer有啥区别 close the computer和turn off the computer的区别, her computer和she‘s computer有什么区别 private computer和personal computer 有什么区别啊 我已经知道有play computer games我想知道play和computer的搭配play a computer?play on a computer?play with a computer?or? computer和monkey的区别急. on computer和on the comupter 区别, Play computer games和interesting造句. mini-computer和e-dictionary是什么有意思?