辐射侦察

radiation detection

spoke of a wheel

radiation

old variant of 射[she4]

to shoot / to launch / to allude to / radio- (chemistry)

to scout / to spy / to detect

old variant of 偵|侦[zhen1]

to investigate a crime / to scout / to reconnoiter / reconnaissance / detection / a scout

short name for Chahar Province 察哈爾|察哈尔[Cha2 ha1 er3]

to examine / to inquire / to observe / to inspect / to look into / obvious / clearly evident

variant of 察[cha2]