Sales by using oa terms is an area where china exporters are deeply lacking expertise and understanding .

中国出口商在赊销方面的经验以及对这种贸易方式的理解严重不足。

Design and implementation of oa system for e-military affairs .

电子军务办公自动化系统的设计与实现。

Oa was a natural anchor and was often sought out by other spiritual groups for this role .

oa是一名天然的锚定者，经常被其它灵性团体寻求来做这个角色。

O oa journals conduct peer review .

办公期刊进行同行审查。

A novel concept of treatment for oa knee .

退化性膝关节炎之治疗新观念。