Terms for subject Air defense containing Character

English	Chinese
advanced optical character recognition	高级光字符阅读器
ball character	报警符
block ignore character	信息组块作废符
character-tabular display	字符表格显示器
frequency character of CW signal	连续波信号频率特性
frequency character viewer	频率特性观测仪
frequency response character of angular tracking loop	角跟踪环路的频率响应特性
half-wave character	半波特性
target character identification	目标特性识别
time response character of angular tracking loop	角跟踪环路时间响应特性