销售点实时管理系统,即()系统,为实时控制经营活动提供了帮助。
A.OCR
B.MIS
C.EOS
D.POS
参考答案:D
Not only ______ prepare lunch for us, but also _______ clothes for us.
A.he did , he washed
B.he did , did he wash
C.did he , he washed
D.did he, did he wash
通过精细色散管理、EFEC、RAMAN 放大器等技术,Opitx BWS 1600G 系统能够实现2000Km无电中继传输,通过Super WDM技术,可以实现4000km以上中继传输。