YOU SAID:

I don't understand Electronic Countermeasures

INTO JAPANESE

電子対抗手段がわからない

BACK INTO ENGLISH

I don't know electronic countermeasures

INTO JAPANESE

電子対策がわからない

BACK INTO ENGLISH

I don't understand electronic measures

INTO JAPANESE

電子対策がわからない

BACK INTO ENGLISH

I don't understand electronic measures