单词non-valid
网络: 无效的；无效数据
On July 8, 2008, the non-valid OIAC will be accepted as a valid multiple visa into China including Hong Kong Special Administrative Region.
2008年7月8日，未激活的奥林匹克身份注册卡将可作为进入中国包括香港特别行政区的多次签证。
A new way for treating with the single phase grounding fault in non-valid grounded systems
处理小电流接地故障的新思路