Subject	English	Chinese
space	program definition and requirements document	计划规定的定义和要求文件
avia.	program definition requirements document	项目定义需求文件
el.	program requirements document	计划需求文件
el.	program requirements document	程序要求文件
space	program requirements documents	计划要求文件
avia.	program support communication requirement document	项目支援通信需求文件
space	program support communications requirements document	计划保障通信要求文件
avia.	program support requirements document	计划支援需求文件